$KLIC
KULICKE & SOFFA INDUSTRIES INC Stock $klic

$klic Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-K Financial Statement

#000005697823000172 Filed on November 16, 2023

Income Statement

Concept	2023 Q4	2023 Q3	2023 Q2
Revenue	$171.2M	$190.9M	$173.0M
YoY Change	-40.21%	-48.7%	-54.98%
Cost Of Revenue	$91.29M	$100.9M	$88.93M
YoY Change	-40.57%	-44.39%	-51.29%
Gross Profit	$79.90M	$90.02M	$84.09M
YoY Change	-39.79%	-52.79%	-58.31%
Gross Profit Margin	46.67%	47.15%	48.6%
Selling, General & Admin	$41.39M	$36.39M	$35.46M
YoY Change	32.35%	5.3%	1.07%
% of Gross Profit	51.81%	40.43%	42.17%
Research & Development	$36.81M	$36.58M	$36.00M
YoY Change	13.77%	7.44%	-3.44%
% of Gross Profit	46.07%	40.63%	42.81%
Depreciation & Amortization	$7.985M	$6.805M	$4.979M
YoY Change	481.15%	65.94%	22.24%
% of Gross Profit	9.99%	7.56%	5.92%
Operating Expenses	$78.20M	$94.51M	$71.46M
YoY Change	20.3%	37.75%	-1.25%
Operating Profit	$1.693M	-$4.488M	$12.63M
YoY Change	-97.5%	-103.68%	-90.24%
Interest Expense	$22.00K	$50.00K	$32.00K
YoY Change	-99.45%	38.89%	-67.01%
% of Operating Profit	1.3%		0.25%
Other Income/Expense, Net
YoY Change
Pretax Income	$11.57M	$4.309M	$20.60M
YoY Change	-83.83%	-96.53%	-84.12%
Income Tax	$2.277M	$148.0K	$5.556M
% Of Pretax Income	19.68%	3.43%	26.97%
Net Earnings	$9.293M	$4.161M	$15.04M
YoY Change	-85.68%	-96.5%	-87.03%
Net Earnings / Revenue	5.43%	2.18%	8.69%
Basic Earnings Per Share	$0.16	$0.07	$0.27
Diluted Earnings Per Share	$0.16	$0.07	$0.26
COMMON SHARES
Basic Shares Outstanding	56.72M shares	56.55M shares	56.68M shares
Diluted Shares Outstanding	57.02M shares	57.52M shares	57.58M shares

Balance Sheet

Concept	2023 Q4	2023 Q3	2023 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$709.7M	$711.8M	$734.1M
YoY Change	-8.49%	-4.56%	6.32%
Cash & Equivalents	$424.7M	$401.8M	$389.1M
Short-Term Investments	$445.0M	$465.0M	$408.1M
Other Short-Term Assets	$47.04M	$45.14M	$61.47M
YoY Change	-24.38%	-39.82%	19.52%
Inventory	$236.6M	$228.0M	$224.2M
Prepaid Expenses
Receivables	$184.4M	$198.1M	$169.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.178B	$1.183B	$1.189B
YoY Change	-11.59%	-14.65%	-10.06%
LONG-TERM ASSETS
Property, Plant & Equipment	$107.3M	$113.6M	$110.7M
YoY Change	32.59%	70.75%	65.09%
Goodwill	$89.52M	$89.29M	$98.89M
YoY Change	31.46%	27.95%	38.37%
Intangibles	$28.92M	$31.42M	$39.89M
YoY Change	-9.46%	-10.97%	3.78%
Long-Term Investments	$2.042M	$433.0K	$5.433M
YoY Change	-62.16%	-91.98%	-15.33%
Other Assets	$3.390M	$3.088M	$3.206M
YoY Change	17.95%	6.08%	32.04%
Total Long-Term Assets	$309.1M	$325.1M	$335.2M
YoY Change	20.47%	34.24%	41.34%
TOTAL ASSETS
Total Short-Term Assets	$1.178B	$1.183B	$1.189B
Total Long-Term Assets	$309.1M	$325.1M	$335.2M
Total Assets	$1.487B	$1.508B	$1.524B
YoY Change	-6.41%	-7.38%	-2.24%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$58.68M	$52.86M	$54.85M
YoY Change	-12.82%	-46.38%	-45.27%
Accrued Expenses	$44.04M	$55.51M	$36.50M
YoY Change	-25.25%	-6.34%	-26.99%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$181.3M	$196.8M	$195.8M
YoY Change	-27.1%	-28.19%	-28.79%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$12.15M	$12.84M	$16.32M
YoY Change	4.1%	-12.44%	7.99%
Total Long-Term Liabilities	$12.15M	$12.84M	$16.32M
YoY Change	4.1%	-12.44%	7.99%
TOTAL LIABILITIES
Total Short-Term Liabilities	$181.3M	$196.8M	$195.8M
Total Long-Term Liabilities	$12.15M	$12.84M	$16.32M
Total Liabilities	$325.5M	$338.4M	$340.3M
YoY Change	-17.38%	-19.72%	-19.3%
SHAREHOLDERS EQUITY
Retained Earnings	$1.354B	$1.343B	$1.350B
YoY Change	0.9%	4.4%	14.63%
Common Stock	$578.5M	$572.3M	$567.0M
YoY Change	2.99%	2.71%	8.45%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$756.9M	$728.1M	$719.6M
YoY Change	12.01%	18.25%	29.73%
Treasury Stock Shares			28.71M shares
Shareholders Equity	$1.161B	$1.170B	$1.184B
YoY Change
Total Liabilities & Shareholders Equity	$1.487B	$1.508B	$1.524B
YoY Change	-6.41%	-7.38%	-2.24%

Cashflow Statement

Concept	2023 Q4	2023 Q3	2023 Q2
OPERATING ACTIVITIES
Net Income	$9.293M	$4.161M	$15.04M
YoY Change	-85.68%	-96.5%	-87.03%
Depreciation, Depletion And Amortization	$7.985M	$6.805M	$4.979M
YoY Change	481.15%	65.94%	22.24%
Cash From Operating Activities	-$7.331M	$8.976M	$1.820M
YoY Change	-106.29%	-91.42%	-97.51%
INVESTING ACTIVITIES
Capital Expenditures	$4.426M	$10.61M	$10.64M
YoY Change	-135.11%	-324.69%	-460.94%
Acquisitions
YoY Change
Other Investing Activities	-$56.12M	$35.08M	-$136.6M
YoY Change	-198.31%	-149.84%	-199.66%
Cash From Investing Activities	-$60.54M	$24.47M	-$147.3M
YoY Change	-189.75%	-132.58%	-209.77%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$38.12M	-19.45M	-16.68M
YoY Change	-45.76%	-51.19%	-91.08%
NET CHANGE
Cash From Operating Activities	-$7.331M	8.976M	1.820M
Cash From Investing Activities	-$60.54M	24.47M	-147.3M
Cash From Financing Activities	-$38.12M	-19.45M	-16.68M
Net Change In Cash	-$104.7M	14.00M	-162.1M
YoY Change	-192.09%	-235.36%	-897.95%
FREE CASH FLOW
Cash From Operating Activities	-$7.331M	$8.976M	$1.820M
Capital Expenditures	$4.426M	$10.61M	$10.64M
Free Cash Flow	-$11.76M	-$1.634M	-$8.817M
YoY Change	-109.1%	-101.49%	-111.59%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	dei	Entity Address Country EntityAddressCountry	SG
CY2023	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1515000	shares
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	68100000	usd
CY2023Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	181000000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.76
CY2023	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2023	dei	Auditor Location AuditorLocation	Singapore
CY2023Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	529402000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	555537000	usd
CY2023Q3	us-gaap	Short Term Investments ShortTermInvestments	230000000	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	220000000	usd
CY2023Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	49000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	0	usd
CY2023Q3	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	158601000	usd
CY2022Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	309323000	usd
CY2023Q3	us-gaap	Inventory Net InventoryNet	217304000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	184986000	usd
CY2023Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	53751000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	62200000	usd
CY2023Q3	us-gaap	Assets Current AssetsCurrent	1189058000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	1332046000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	110051000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	80908000	usd
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	47148000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	41767000	usd
CY2023Q3	us-gaap	Goodwill Goodwill	88673000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	68096000	usd
CY2023Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	29357000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	31939000	usd
CY2023Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	31551000	usd
CY2022Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	25572000	usd
CY2023Q3	us-gaap	Equity Securities Fv Ni And Without Readily Determinable Fair Value EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue	716000	usd
CY2022Q4	us-gaap	Equity Securities Fv Ni And Without Readily Determinable Fair Value EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue	5397000	usd
CY2023Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3223000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2874000	usd
CY2023Q3	us-gaap	Assets Assets	1499777000	usd
CY2022Q4	us-gaap	Assets Assets	1588599000	usd
CY2023Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	49302000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	67311000	usd
CY2023Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6574000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6766000	usd
CY2023Q3	klic	Accrued Expenses And Other Current Liabilities AccruedExpensesAndOtherCurrentLiabilities	103005000	usd
CY2022Q4	klic	Accrued Expenses And Other Current Liabilities AccruedExpensesAndOtherCurrentLiabilities	134541000	usd
CY2023Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	22670000	usd
CY2022Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	40063000	usd
CY2023Q3	us-gaap	Liabilities Current LiabilitiesCurrent	181551000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	248681000	usd
CY2023Q3	klic	Deferred Tax Liabilities Net Excluding Other Deferred Tax Assets Noncurrent DeferredTaxLiabilitiesNetExcludingOtherDeferredTaxAssetsNoncurrent	37264000	usd
CY2022Q4	klic	Deferred Tax Liabilities Net Excluding Other Deferred Tax Assets Noncurrent DeferredTaxLiabilitiesNetExcludingOtherDeferredTaxAssetsNoncurrent	34037000	usd
CY2023Q3	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	52793000	usd
CY2022Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	64634000	usd
CY2023Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	41839000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	34927000	usd
CY2023Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	11769000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	11670000	usd
CY2023Q3	us-gaap	Liabilities Liabilities	325216000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	393949000	usd
CY2023Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2023Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	85364000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	85364000	shares
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	56310000	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	57128000	shares
CY2023Q3	us-gaap	Common Stock Value CommonStockValue	577727000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	561684000	usd
CY2023Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	29054000	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	28236000	shares
CY2023Q3	us-gaap	Treasury Stock Value TreasuryStockValue	737214000	usd
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	675800000	usd
CY2023Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1355810000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1341666000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-21762000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-32900000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	1174561000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1194650000	usd
CY2023Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1499777000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1588599000	usd
CY2023	us-gaap	Revenues Revenues	742491000	usd
CY2022	us-gaap	Revenues Revenues	1503620000	usd
CY2021	us-gaap	Revenues Revenues	1517664000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	383836000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	755300000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	820678000	usd
CY2023	us-gaap	Gross Profit GrossProfit	358655000	usd
CY2022	us-gaap	Gross Profit GrossProfit	748320000	usd
CY2021	us-gaap	Gross Profit GrossProfit	696986000	usd
CY2023	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	152982000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	140050000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	147061000	usd
CY2023	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	144701000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	136852000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	137478000	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	21535000	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1346000	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2023	us-gaap	Operating Expenses OperatingExpenses	319218000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	278248000	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	284539000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	39437000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	470072000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	412447000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	7124000	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	2321000	usd
CY2023	us-gaap	Interest Expense InterestExpense	142000	usd
CY2022	us-gaap	Interest Expense InterestExpense	208000	usd
CY2021	us-gaap	Interest Expense InterestExpense	218000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	72201000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	476988000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	414550000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-94000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	367161000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	57148000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	9676000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-30536000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	672000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	49000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-2276000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	0	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	672000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	2381000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-2694000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	24000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	870000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1076000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	1197000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	1511000	usd
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CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-1173000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	11138000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-29878000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-501000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	68286000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	403667000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	366660000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	757994000	usd
CY2021	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	818000	usd
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	10182000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2021	klic	Stock Based Compensation StockBasedCompensation	14673000	usd
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	34726000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	367161000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-501000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	366660000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1095237000	usd
CY2022	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	949000	usd
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	282807000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2022	klic	Stock Based Compensation StockBasedCompensation	18037000	usd
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	40433000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	433545000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-29878000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	403667000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1194650000	usd
CY2023	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	1000000	usd
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	68115000	usd
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2023	klic	Stock Based Compensation StockBasedCompensation	21744000	usd
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	43004000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	11138000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	68286000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	1174561000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	57148000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	433545000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	28857000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	21293000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19810000	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	21535000	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1346000	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2023	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	22744000	usd
CY2022	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	18986000	usd
CY2021	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	15491000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	49000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-245000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-248000	usd
CY2023	klic	Increase Decrease Due To Inventory Valuation IncreaseDecreaseDueToInventoryValuation	5214000	usd
CY2022	klic	Increase Decrease Due To Inventory Valuation IncreaseDecreaseDueToInventoryValuation	-2613000	usd
CY2021	klic	Increase Decrease Due To Inventory Valuation IncreaseDecreaseDueToInventoryValuation	-2965000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4478000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8648000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-9818000	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	499000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	253000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-259000	usd
CY2023	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	usd
CY2022	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	usd
CY2021	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	1046000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-323000	usd
CY2022	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	usd
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-85000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	7278000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	378000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-94000	usd
CY2023	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-152667000	usd
CY2022	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-113340000	usd
CY2021	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	221924000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	35755000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	14924000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	52719000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-8619000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	37907000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4573000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-52333000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-128734000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	181960000	usd
CY2023	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-29312000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	4946000	usd
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	7686000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1460000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	2666000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-1242000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	173404000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	390188000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	300032000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	36881000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	26338000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	44406000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22985000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22775000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	591000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	181000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	291000	usd
CY2023	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	642000	usd
CY2022	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	397000	usd
CY2021	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	usd
CY2023	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	595000000	usd
CY2022	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	469000000	usd
CY2021	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	507000000	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	585000000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	626000000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	472000000	usd
CY2023	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	usd
CY2022	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	usd
CY2021	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	2115000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-91338000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	133799000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-81707000	usd
CY2023	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	usd
CY2022	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	54500000	usd
CY2021	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	22750000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	629000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	509000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	379000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	69210000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	281319000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	10426000	usd
CY2023	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	usd
CY2022	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	54500000	usd
CY2021	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	22750000	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	42037000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	39363000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	33453000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-111876000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-321191000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-44258000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3675000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-10047000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	594000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-26135000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	192749000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	174661000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	555537000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	362788000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	188127000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	529402000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	555537000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	362788000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	142000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	208000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	218000	usd
CY2023	us-gaap	Income Taxes Paid IncomeTaxesPaid	56254000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	50309000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	51856000	usd
CY2023	us-gaap	Basis Of Accounting BasisOfAccounting	BASIS OF PRESENTATION<div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">These consolidated financial statements include the accounts of Kulicke and Soffa Industries, Inc. and its subsidiaries (the “Company”), with appropriate elimination of intercompany balances and transactions. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Fiscal Year</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Each of the Company’s first three fiscal quarters ends on the Saturday that is 13 weeks after the end of the immediately preceding fiscal quarter. The fourth quarter of each fiscal year ends on the Saturday closest to September 30. In fiscal years consisting of 53 weeks, the fourth quarter will consist of 14 weeks. The 2023, 2022, and 2021 fiscal years ended on September 30, 2023, October 1, 2022 and October 2, 2021, respectively. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Nature of Business</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company designs, develops, manufactures and sells capital equipment and tools as well as services, maintains, repairs and upgrades equipment, all used to assemble semiconductor devices. The Company’s operating results depend upon the capital and operating expenditures of integrated device manufacturers (“IDMs”), outsourced semiconductor assembly and test providers (“OSATs”), foundry service providers, and other electronics manufacturers and automotive electronics suppliers worldwide which, in turn, depend on the current and anticipated market demand for semiconductors and products utilizing semiconductors. The semiconductor industry is highly volatile and experiences downturns and slowdowns which can have a severe negative effect on the semiconductor industry’s demand for semiconductor capital equipment, including assembly equipment manufactured and sold by the Company and, to a lesser extent, tools, solutions and services, including those sold or provided by the Company. These downturns and slowdowns have in the past adversely affected the Company’s operating results. The Company believes such volatility will continue to characterize the industry and the Company’s operations in the future.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements requires management to make assumptions, estimates and judgments that affect the reported amounts of assets and liabilities, net revenue and expenses during the reporting periods, and disclosures of contingent assets and liabilities as of the date of the consolidated financial statements. On an ongoing basis, management evaluates estimates, including but not limited to, those related to accounts receivable, reserves for excess and obsolete inventory, carrying value and lives of fixed assets, goodwill and intangible assets, accrual for customer credit programs, the valuation estimates and assessment of impairment and observable price adjustments, income taxes, equity-based compensation expense, and warranties. Management bases its estimates on historical experience and on various other assumptions believed to be reasonable. As a result, management makes judgments regarding the carrying values of the Company’s assets and liabilities that are not readily apparent from other sources. Authoritative pronouncements, historical experience and assumptions are used as the basis for making estimates, and on an ongoing basis, management evaluates these estimates. Actual results may differ from these estimates.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In light of the macroeconomic headwinds, there has been uncertainty and disruption in the global economy and financial markets. The Company is not aware of any specific event or circumstance that would require an update to its estimates or judgments or a revision of the carrying value of its assets or liabilities as of September 30, 2023. While there was no material impact to our consolidated financial statements as of and for the year ended September 30, 2023, these estimates may change, as new events occur and additional information is obtained, as well as other factors related to the macroeconomic headwinds that could materially impact our consolidated financial statements in future reporting periods. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:115%">Vulnerability to Certain Concentrations</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments which may subject the Company to concentrations of credit risk as of September 30, 2023 and October 1, 2022 consisted primarily of trade receivables. The Company manages credit risk associated with investments by investing its excess cash in highly rated debt instruments of the U.S. government and its agencies, financial institutions, and corporations. The Company has established investment guidelines relative to diversification and maturities designed to maintain safety and liquidity. These guidelines are periodically reviewed and modified as appropriate.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company’s trade receivables result primarily from the sale of semiconductor equipment, related accessories and replacement parts, and tools to a relatively small number of large manufacturers in a highly concentrated industry. Write-offs of uncollectible accounts have historically not been material. The Company actively monitors its customers’ financial strength to reduce the risk of loss, especially in light of the current macroeconomic headwinds. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company’s products are complex and require raw materials, components and subassemblies having a high degree of reliability, accuracy and performance. The Company relies on subcontractors to manufacture many of these components and subassemblies and it relies on sole source suppliers for some important components and raw material inventory.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Foreign Currency Translation and Remeasurement</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The majority of the Company’s business is transacted in U.S. dollars; however, the functional currencies of some of the Company’s subsidiaries are their local currencies. In accordance with ASC No. 830, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Foreign Currency Matters</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> (“ASC 830”), for a subsidiary of the Company that has a functional currency other than the U.S. dollar, gains and losses resulting from the translation of the functional currency into U.S. dollars for financial statement presentation are not included in determining net income, but are accumulated in the cumulative translation adjustment account as a separate component of shareholders’ equity (accumulated other comprehensive income / (loss)). The tax effect of currency translation adjustments related to unremitted foreign earnings no longer deemed to be indefinitely reinvested outside the U.S. is reflected in the determination of the Company's net income or other comprehensive income (“OCI”). Gains and losses resulting from foreign currency transactions are included in the determination of net income.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company’s operations are exposed to changes in foreign currency exchange rates due to transactions denominated in currencies other than the location’s functional currency. The Company is also exposed to foreign currency fluctuations that impact the remeasurement of net monetary assets of those operations whose functional currency, the U.S. dollar, differs from their respective local currencies, most notably in Israel, Singapore and Switzerland. In addition to net monetary remeasurement, the Company has exposures related to the translation of subsidiary financial statements from their functional currency, the local currency, into its reporting currency, the U.S. dollar, most notably in the Netherlands, China, Taiwan, Japan and Germany. The Company’s U.S. operations also have foreign currency exposure due to net monetary assets denominated in currencies other than the U.S. dollar.</span></div><div style="margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Derivative Financial Instruments </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company’s primary objective for holding derivative financial instruments is to manage the fluctuation in foreign exchange rates and accordingly is not speculative in nature. The Company’s international operations are exposed to changes in foreign exchange rates as described above. The Company has established a program to monitor the forecasted transaction currency risk to protect against foreign exchange rate volatility. Generally, the Company uses foreign exchange forward contracts in these hedging programs. These instruments, which have maturities of up to twelve months, are recorded at fair value and are included in prepaid expenses and other current assets, or accrued expenses and other current liabilities. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our accounting policy for derivative financial instruments is based on whether they meet the criteria for designation as a cash flow hedge. A designated hedge with exposure to variability in the functional currency equivalent of the future foreign currency cash flows of a forecasted transaction is referred to as a cash flow hedge. The criteria for designating a derivative as a cash flow hedge include the assessment of the instrument’s effectiveness in risk reduction, matching of the derivative instrument to its underlying transaction, and the assessment of the probability that the underlying transaction will occur. For derivatives with cash flow hedge accounting designation, we report the after-tax gain / (loss) from the effective portion of the hedge as a component of accumulated other comprehensive income / (loss) and reclassify it into earnings in the same period in which the hedged transaction affects earnings and in the same line item on the consolidated statement of operations as the impact of the hedged transaction. Derivatives that we designate as cash flow hedges are classified in the consolidated statement of cash flows in the same section as the underlying item, primarily within cash flows from operating activities. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The hedge effectiveness of these derivative instruments is evaluated by comparing the cumulative change in the fair value of the hedge contract with the cumulative change in the fair value of the forecasted cash flows of the hedged item.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">If a cash flow hedge is discontinued because it is no longer probable that the original hedged transaction will occur as previously anticipated, the cumulative unrealized gain or loss on the related derivative is reclassified from accumulated other comprehensive income / (loss) into earnings. Subsequent gain / (loss) on the related derivative instrument is recognized into earnings in each period until the instrument matures, is terminated, is re-designated as a qualified cash flow hedge, or is sold. Ineffective portions of cash flow hedges, as well as amounts excluded from the assessment of effectiveness, are recognized in earnings.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Cash Equivalents </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"> </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company considers all highly liquid investments with original maturities of three months or less when purchased to be cash equivalents. Cash equivalents are measured at fair value based on Level 1 measurement, or quoted market prices, as defined by ASC No. 820, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Fair Value Measurements and Disclosures</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Equity Investments </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company invests in equity securities in companies to promote business and strategic objectives. Non-marketable equity securities are equity securities without readily determinable fair value that are measured and recorded as follows:</span></div><div style="margin-top:6pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Either using a measurement alternative that measures the securities at cost minus impairment, if any, plus or minus changes resulting from qualifying observable price changes, or;</span></div><div style="margin-top:6pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Using the published or estimated Net Asset Value (“NAV”) for investments that qualify as a practical expedient to determine the fair values of equity securities. The fair values of the underlying investments are determined using quoted market prices, or independent third-party broker or dealer price quotes if quoted market prices are not available. Changes in the fair value of the investments are recognized as gains and losses in earnings. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Allowance for Doubtful Accounts</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company maintains allowances for doubtful accounts for estimated losses resulting from its customers’ failure to make required payments. If the financial condition of the Company’s customers were to deteriorate, resulting in an impairment of their ability to make payments, including as a result of the existing macroeconomic headwinds, additional allowances may be required. If global or regional economic conditions deteriorate or political conditions were to change in some of the countries where the Company does business, it could have a significant impact on the results of operations, and the Company’s ability to realize the full value of its accounts receivable.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Inventories</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Inventories are stated at the lower of cost (on a first-in, first-out basis) or net realizable value. The Company generally provides reserves for obsolete inventory and for inventory considered to be in excess of demand. Demand is generally defined as 18 months forecasted future consumption for equipment, 24 months forecasted future consumption for spare parts, and 12 months forecasted future consumption for tools. Forecasted consumption is based upon internal projections, historical sales volumes, customer order activity and a review of consumable inventory levels at customers’ facilities. The Company communicates forecasts of its future consumption to its suppliers and adjusts commitments to those suppliers accordingly. If required, the Company reserves the difference between the carrying value of its inventory and the lower of cost or net realizable value, based upon projections about future consumption, and market conditions. If actual market conditions are less favorable than projections, additional inventory reserves may be required.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Inventory reserve provision for certain subsidiaries is determined based on management’s estimate of future consumption for equipment, spare parts and tools. This estimate is based on historical sales volumes, internal projections and market developments and trends. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Property, Plant and Equipment </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Property, plant and equipment are carried at cost. The cost of additions and those improvements which increase the capacity or lengthen the useful lives of assets are capitalized while repair and maintenance costs are expensed as incurred. Depreciation and amortization are provided on a straight-line basis over the estimated useful lives as follows: buildings 25 years; machinery, equipment, furniture and fittings 3 to 10 years; toolings 1 year; and leasehold improvements are based on the shorter of the life of lease or life of asset. Purchased computer software costs related to business and financial systems are amortized over a five-year period on a straight-line basis. Land is not depreciated.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Valuation of Long-Lived Assets </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In accordance with ASC No. 360, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Property, Plant & Equipment</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> (“ASC 360”), the Company’s definite lived intangible assets and property, plant and equipment are tested for impairment based on undiscounted cash flows when triggering events occur, and if impaired, written-down to fair value based on either discounted cash flows or appraised values. ASC 360 also provides a single accounting model for long-lived assets to be disposed of by sale and establishes additional criteria that would have to be met to classify an asset as held for sale. The carrying amount of an asset or asset group is not recoverable to the extent it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the asset or asset group. Estimates of future cash flows used to test the recoverability of a long-lived asset or asset group must incorporate the entity’s own assumptions about its use of the asset or asset group and must factor in all available evidence.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">ASC 360 requires that long-lived assets be tested for recoverability whenever events or changes in circumstances indicate that their carrying amount may not be recoverable. Such events include significant under-performance relative to historical internal forecasts or projected future operating results; significant changes in the manner of use of the assets; significant negative industry or economic trends; or significant changes in market capitalization. During the fiscal years ended September 30, 2023 and October 1, 2022, no “triggering” events occurred. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Accounting for Impairment of Goodwill</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">ASC No. 350, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Intangibles - Goodwill and Other</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> requires goodwill and other intangible assets with indefinite lives to be reviewed for impairment annually, or more frequently if circumstances indicate a possible impairment. We assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying value. If, after assessing the qualitative factors, a company determines that it is not more likely than not that the fair value of a reporting unit is less than its carrying value, then performing the impairment test is unnecessary. However, if a company concludes otherwise, then it is required to perform the goodwill impairment test. The Company’s impairment test is performed by comparing the fair value of a reporting unit with its carrying value, and determining if the carrying amount exceeds its fair value. </span></div><div style="margin-bottom:6pt;margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">As part of the annual evaluation, the Company performs an impairment test of its goodwill in the fourth quarter of each fiscal year to coincide with the completion of its annual forecasting and refreshing of its business outlook processes. On an ongoing basis, the Company monitors if a “triggering” event has occurred that may have the effect of reducing the fair value of a reporting unit below its respective carrying value. Adverse changes in expected operating results and/or unfavorable changes in other economic factors used to estimate fair values could result in a non-cash impairment charge in the future. </span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Impairment assessments inherently involve judgment as to the assumptions made about the expected future cash flows and the impact of market conditions on those assumptions. Future events and changing market conditions may impact the assumptions as to prices, costs, growth rates or other factors that may result in changes in the estimates of future cash flows. Although the Company believes the assumptions that it has used in testing for impairment are reasonable, significant changes in any one of the assumptions could produce a significantly different result. Indicators of potential impairment, including significant and unforeseen customer losses, a significant adverse change in legal factors or in the business climate, a significant adverse action or assessment by a regulator, a significant stock price decline or unanticipated competition may lead the Company to perform interim goodwill impairment assessments. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">For further information on goodwill and other intangible assets, see Note 4 below.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Government Incentives</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company receives government incentives for qualifying research and development, and other activities as defined by the relevant government entities awarding the grants. Government grants, including non-income tax incentives, are recognized when there is reasonable assurance that the grant will be received and the Company will comply with the conditions specified in the grant agreement. The Company records operating grants as a reduction to expense in the same line item on the consolidated statements of income as the expenditure for which the grant is intended to compensate. The Company recognized an immaterial benefit for operating grants in fiscal 2023.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Revenue Recognition</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In accordance with ASC No. 606, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Revenue from Contracts with Customers</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, the Company recognizes revenue when we satisfy performance obligations as evidenced by the transfer of control of our products or services to customers. In general, the Company generates revenue from product sales, either directly to customers or to distributors. In determining whether a contract exists, we evaluate the terms of the agreement, the relationship with the customer or distributor and their ability to pay.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company recognizes revenue from sales of our products, including sales to our distributors, at a point in time, generally upon shipment or delivery to the customer or distributor, depending upon the terms of the sales order. Control is considered transferred when title and risk of loss pass, when the customer becomes obligated to pay and, where applicable, when the customer has accepted the products or upon expiration of the acceptance period. For sales to distributors, payment is due on our standard commercial terms and is not contingent upon the distributors’ resale of the products.</span></div><div style="margin-bottom:3.3pt;margin-top:6pt;padding-right:2.25pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our business is subject to contingencies related to customer orders, including: </span></div><div style="margin-top:6pt;padding-left:31.5pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;padding-left:14.5pt">Right of Return</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">: A large portion of our revenue comes from the sale of equipment used in the semiconductor assembly process. Other product sales relate to consumable products, which are sold in high-volume quantities, and are generally maintained at low stock levels at the customers’ facility. Customer returns have historically represented a very small percentage of customer sales on an annual basis.</span></div><div style="margin-top:6pt;padding-left:31.5pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;padding-left:14.5pt">Warranties</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">: Our equipment is generally shipped with a one-year warranty against manufacturing defects. We establish reserves for estimated warranty expense when revenue for the related equipment is recognized. The reserve for estimated warranty expense is based upon historical experience and management’s estimate of future expenses, including product parts replacement, freight charges and labor costs expected to be incurred to correct manufacturing defects during the warranty period.</span></div><div style="margin-top:6pt;padding-left:31.5pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;padding-left:14.5pt">Conditions of Acceptance: </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Sales of our consumable products generally do not have customer acceptance terms. In certain cases, sales of our equipment have customer acceptance clauses which may require the equipment to perform in accordance with agreed specifications, customer specifications or subject to satisfactory installation at the customer’s facility. In such cases, if the terms of acceptance are satisfied at our facility prior to shipment, the revenue for the equipment will be recognized upon shipment. If the terms of acceptance are satisfied at our customers’ facilities, the revenue for the equipment will not be recognized until acceptance, which is typically obtained after installation and testing, is received from the customer. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Service revenue is generally recognized over time as the services are performed. For fiscal 2023 and 2022, the service revenue is not material.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company measures revenue based on the amount of consideration we expect to be entitled to in exchange for products or services. Any variable consideration such as sales incentives are recognized as a reduction of net revenue at the time of revenue recognition.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The length of time between invoicing and payment is not significant under our payment terms. In instances where the timing of revenue recognition differs from the timing of invoicing, we have determined our contracts generally do not include a significant financing component. Shipping and handling costs billed to customers are recognized in net revenue. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Shipping and handling costs paid by the Company are included in cost of sales.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Contract Assets</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">A contract asset is the Company’s right to consideration in exchange for goods or services that the Company has transferred to a customer. ASC 606, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Revenue from Contracts with Customers</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, distinguishes between a contract asset and a receivable based on whether receipt of the consideration is conditional on something other than the passage of time. When the Company transfers control of goods or services to a customer before the customer pays consideration, the Company records either a contract asset or a receivable depending on the nature of the Company’s right to consideration for its performance. The point at which a contract asset becomes an account receivable may be earlier than the point at which an invoice is issued. The Company assesses a contract asset for impairment in accordance with ASC 310, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Receivables</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Research and Development </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company charges research and development costs associated with the development of new products to expense when incurred. In certain circumstances, pre-production machines that the Company intends to sell are carried as inventory until sold.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Income Taxes</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In accordance with ASC No. 740, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Income Taxes</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, deferred income taxes are determined using the balance sheet method</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company records a valuation allowance to reduce its deferred tax assets to the amount expected, on a more likely than not basis, to be realized. While the Company has considered future taxable income and ongoing tax planning strategies in assessing the need for the valuation allowance, if it were to determine that it would be able to realize its deferred tax assets in the future in excess of its net recorded amount, an adjustment to deferred tax assets would increase income in the period when such determination is made. Likewise, should the Company determine it would not be able to realize all or part of its deferred tax assets in the future, an adjustment to deferred tax assets would decrease income in the period when such determination is made.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company determines the amount of unrecognized tax benefit with respect to uncertain tax positions taken or expected to be taken on its income tax returns in accordance with ASC No. 740 Topic 10, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Income Taxes, General </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(“ASC 740.10”). Under ASC 740.10, the Company utilizes a two-step approach for evaluating uncertain tax positions. Step one, or recognition, requires a company to determine if the weight of available evidence indicates a tax position is more likely than not to be sustained upon examination solely based on its technical merit. Step two, or measurement, is based on the largest amount of benefit, which is more likely than not to be realized on settlement with the taxing authority, including resolution of related appeals or litigation processes, if any.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Equity-Based Compensation </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company accounts for equity-based compensation under the provisions of ASC No. 718,</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> Compensation - Stock Compensation</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> (“ASC 718”). ASC 718 requires the recognition of the fair value of the equity-based compensation in net income. Compensation expense associated with Relative TSR Performance Share Units is determined using a Monte-Carlo valuation model, and compensation expense associated with time-based and Growth Performance Share Units is determined based on the number of shares granted and the fair value on the date of grant. See Note 11 for a summary of the terms of these performance-based awards. The fair value of equity-based awards is amortized over the vesting period of the award, and the Company elected to use the straight-line method for awards granted after the adoption of ASC 718.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Earnings per Share </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Earnings per share (“EPS”) are calculated in accordance with ASC No. 260,</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> Earnings per Share</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">. Basic EPS include only the weighted average number of common stock outstanding during the period. Diluted EPS include the weighted average number of common stock and the dilutive effect of stock options, performance share units and restricted share units outstanding during the period, when such instruments are dilutive.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Accelerated Share Repurchase </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">From time to time, the Company may enter into accelerated share repurchase (“ASR”) agreements with third-party financial institutions to repurchase shares of the Company’s common stock. Under an ASR agreement, in exchange for an up-front payment, the counterparty makes an initial delivery of shares of the Company’s common stock during the purchase period of the relevant ASR. This initial delivery of shares represents the minimum number of shares that the Company may receive under an ASR agreement. Upon settlement of an ASR agreement, the counterparty may deliver additional shares, with the final number of shares delivered determined based on the volume-weighted average price of the Company’s common stock over the term of such ASR agreement, less an agreed-upon discount. The transactions are accounted for as equity transactions and are included in Treasury Stock when the shares are received, at which time there is an immediate reduction in the weighted-average common stock calculation for basic and diluted earnings per share. </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Accounting for Business Acquisitions</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company accounts for business acquisitions in accordance with ASC No. 805,</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> Business Combinations</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">. The fair value of the net assets acquired and the results of operations of the acquired businesses are included in the consolidated financial statements from the acquisition date forward. The Company is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and results of operations during the reporting period. Estimates are used in accounting for, among other things, the fair value of acquired net operating assets, property, plant and equipment, intangible assets and related deferred income taxes, useful lives of property, plant and equipment, and amortizable lives of acquired intangible assets. Any excess of the purchase consideration over the identified fair value of the assets and liabilities assumed is recognized as goodwill. The valuation of these tangible and identifiable intangible assets and liabilities is subject to further management review and may change materially between the preliminary allocation and end of the purchase price allocation period.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Restructuring Charges</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Restructuring charges may consist of voluntary or involuntary severance-related charges, asset-related charges and other costs due to exit activities. We recognize voluntary termination benefits when an employee accepts the offered benefit arrangement. We recognize involuntary severance-related charges depending on whether the termination benefits are provided under an ongoing benefit arrangement or under a one-time benefit arrangement. If the former, we recognize the charges once they are probable and the amounts are estimable. If the latter, we recognize the charges once the benefits have been communicated to employees.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Recent Accounting Pronouncements</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Government Assistance</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In November 2021, the FASB issued ASU 2021-10, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Government Assistance</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> (Topic 832): Disclosure by Business Entities about Government Assistance which aims at increasing the transparency of government assistance received by most business entities. The standard requires business entities to make annual disclosures about the nature of the transactions and the related accounting policy used to account for the transactions, the line items and applicable amounts on the balance sheet and income statement that are affected by the transactions, and significant terms and conditions of the transactions, including commitments and contingencies. If an entity omits any required disclosures because it is legally prohibited, it must disclose that fact. This ASU is effective for fiscal years (and interim periods within those fiscal years) beginning after December 15, 2021, which for the Company is the first quarter of fiscal 2023. The adoption of this ASU did not have a material impact on our consolidated financial statements.</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Business Combinations </span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In October 2021, the FASB issued ASU 2021-08, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Business Combinations</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers, which clarifies that an acquirer of a business should recognize and measure contract assets and contract liabilities in a business combination in accordance with Topic 606: </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Revenue from Contracts with Customers</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">. The amendments should be applied prospectively to business combinations occurring on or after the effective date of the amendments with early adoption permitted. We elected for an early adoption of this ASU in fiscal year 2023. The adoption of this ASU did not have a material impact on our consolidated financial statements.</span></div>
CY2023	us-gaap	Fiscal Period FiscalPeriod	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Fiscal Year</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span>Each of the Company’s first three fiscal quarters ends on the Saturday that is 13 weeks after the end of the immediately preceding fiscal quarter. The fourth quarter of each fiscal year ends on the Saturday closest to September 30. In fiscal years consisting of 53 weeks, the fourth quarter will consist of 14 weeks. The 2023, 2022, and 2021 fiscal years ended on September 30, 2023, October 1, 2022 and October 2, 2021, respectively.
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements requires management to make assumptions, estimates and judgments that affect the reported amounts of assets and liabilities, net revenue and expenses during the reporting periods, and disclosures of contingent assets and liabilities as of the date of the consolidated financial statements. On an ongoing basis, management evaluates estimates, including but not limited to, those related to accounts receivable, reserves for excess and obsolete inventory, carrying value and lives of fixed assets, goodwill and intangible assets, accrual for customer credit programs, the valuation estimates and assessment of impairment and observable price adjustments, income taxes, equity-based compensation expense, and warranties. Management bases its estimates on historical experience and on various other assumptions believed to be reasonable. As a result, management makes judgments regarding the carrying values of the Company’s assets and liabilities that are not readily apparent from other sources. Authoritative pronouncements, historical experience and assumptions are used as the basis for making estimates, and on an ongoing basis, management evaluates these estimates. Actual results may differ from these estimates.</span></div>In light of the macroeconomic headwinds, there has been uncertainty and disruption in the global economy and financial markets. The Company is not aware of any specific event or circumstance that would require an update to its estimates or judgments or a revision of the carrying value of its assets or liabilities as of September 30, 2023. While there was no material impact to our consolidated financial statements as of and for the year ended September 30, 2023, these estimates may change, as new events occur and additional information is obtained, as well as other factors related to the macroeconomic headwinds that could materially impact our consolidated financial statements in future reporting periods.
CY2023Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	8402000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	10584000	usd
CY2023Q3	klic	Accrued Expenses And Other Current Liabilities AccruedExpensesAndOtherCurrentLiabilities	103005000	usd
CY2022Q4	klic	Accrued Expenses And Other Current Liabilities AccruedExpensesAndOtherCurrentLiabilities	134541000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	50279000	usd
CY2023Q3	klic	Accrued Liabilities For Commission And Professional Fees Current AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent	4091000	usd
CY2022Q4	klic	Accrued Liabilities For Commission And Professional Fees Current AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent	5019000	usd
CY2023Q3	us-gaap	Dividends Payable Current DividendsPayableCurrent	10710000	usd
CY2022Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	9743000	usd
CY2023Q3	klic	Accrued Leasehold Renovations AccruedLeaseholdRenovations	11005000	usd
CY2022Q4	klic	Accrued Leasehold Renovations AccruedLeaseholdRenovations	0	usd
CY2023Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	114827000	usd
CY2022Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	118833000	usd
CY2023Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	74555000	usd
CY2022Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	40114000	usd
CY2023Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	49207000	usd
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	45277000	usd
CY2023Q3	us-gaap	Inventory Gross InventoryGross	238589000	usd
CY2022Q4	us-gaap	Inventory Gross InventoryGross	204224000	usd
CY2023Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	21285000	usd
CY2022Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	19238000	usd
CY2023Q3	us-gaap	Inventory Net InventoryNet	217304000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	184986000	usd
CY2023Q3	us-gaap	Land Land	2182000	usd
CY2022Q4	us-gaap	Land Land	2182000	usd
CY2023Q3	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	23105000	usd
CY2022Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	22783000	usd
CY2023Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	82927000	usd
CY2022Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	32400000	usd
CY2023Q3	klic	Equipment And Software Gross EquipmentAndSoftwareGross	37483000	usd
CY2022Q4	klic	Equipment And Software Gross EquipmentAndSoftwareGross	38223000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	95692000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	90151000	usd
CY2023Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	11099000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	25004000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	252488000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	210743000	usd
CY2023Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	142437000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	129835000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	110051000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	80908000	usd
CY2023Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	35701000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	58916000	usd
CY2023Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	33096000	usd
CY2023	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	27975000	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	9794000	usd
CY2023	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	2396000	usd
CY2023Q3	us-gaap	Goodwill Goodwill	88673000	usd
CY2022Q4	klic	Goodwill Cumulative Impairment GoodwillCumulativeImpairment	35200000	usd
CY2023Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	29357000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	31939000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5154000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4990000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4990000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4715000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4290000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	5218000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	29357000	usd
CY2023Q3	us-gaap	Cash Cash	37292000	usd
CY2023Q3	klic	Cashand Cash Equivalents Amortized Cost CashandCashEquivalentsAmortizedCost	529412000	usd
CY2023Q3	klic	Cashand Cash Equivalents Gross Unrealized Gain CashandCashEquivalentsGrossUnrealizedGain	0	usd
CY2023Q3	klic	Cashand Cash Equivalents Gross Unrealized Loss CashandCashEquivalentsGrossUnrealizedLoss	10000	usd
CY2023Q3	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	529402000	usd
CY2023Q3	us-gaap	Short Term Investments ShortTermInvestments	230000000	usd
CY2023Q3	klic	Availableforsale Securities Shortterm Investments Gross Unrealized Gain AvailableforsaleSecuritiesShorttermInvestmentsGrossUnrealizedGain	0	usd
CY2023Q3	klic	Availableforsale Securities Shortterm Investments Gross Unrealized Loss AvailableforsaleSecuritiesShorttermInvestmentsGrossUnrealizedLoss	0	usd
CY2023Q3	klic	Availableforsale Securities Shortterm Investments Fair Value Disclosure AvailableforsaleSecuritiesShorttermInvestmentsFairValueDisclosure	230000000	usd
CY2023Q3	klic	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalentsand Short Term Investments CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsandShortTermInvestments	759412000	usd
CY2023Q3	klic	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalentsand Short Term Investments Gross Unrealized Gain CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsandShortTermInvestmentsGrossUnrealizedGain	0	usd
CY2023Q3	klic	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalentsand Short Term Investments Gross Unrealized Loss CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsandShortTermInvestmentsGrossUnrealizedLoss	10000	usd
CY2023Q3	klic	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalentsand Short Term Investments Fair Value Disclosure CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsandShortTermInvestmentsFairValueDisclosure	759402000	usd
CY2022Q4	us-gaap	Cash Cash	173402000	usd
CY2022Q4	klic	Cashand Cash Equivalents Amortized Cost CashandCashEquivalentsAmortizedCost	555557000	usd
CY2022Q4	klic	Cashand Cash Equivalents Gross Unrealized Gain CashandCashEquivalentsGrossUnrealizedGain	0	usd
CY2022Q4	klic	Cashand Cash Equivalents Gross Unrealized Loss CashandCashEquivalentsGrossUnrealizedLoss	20000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	555537000	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	220000000	usd
CY2022Q4	klic	Availableforsale Securities Shortterm Investments Gross Unrealized Gain AvailableforsaleSecuritiesShorttermInvestmentsGrossUnrealizedGain	0	usd
CY2022Q4	klic	Availableforsale Securities Shortterm Investments Gross Unrealized Loss AvailableforsaleSecuritiesShorttermInvestmentsGrossUnrealizedLoss	0	usd
CY2022Q4	klic	Availableforsale Securities Shortterm Investments Fair Value Disclosure AvailableforsaleSecuritiesShorttermInvestmentsFairValueDisclosure	220000000	usd
CY2022Q4	klic	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalentsand Short Term Investments CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsandShortTermInvestments	775557000	usd
CY2022Q4	klic	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalentsand Short Term Investments Gross Unrealized Gain CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsandShortTermInvestmentsGrossUnrealizedGain	0	usd
CY2022Q4	klic	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalentsand Short Term Investments Gross Unrealized Loss CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsandShortTermInvestmentsGrossUnrealizedLoss	20000	usd
CY2022Q4	klic	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalentsand Short Term Investments Fair Value Disclosure CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsandShortTermInvestmentsFairValueDisclosure	775537000	usd
CY2023Q3	us-gaap	Equity Securities Fv Ni And Without Readily Determinable Fair Value EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue	716000	usd
CY2022Q4	us-gaap	Equity Securities Fv Ni And Without Readily Determinable Fair Value EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue	5397000	usd
CY2023	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000	usd
CY2023Q3	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	1000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	300000	usd
CY2022Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	57570000	usd
CY2023	us-gaap	Derivative Instruments Gain Loss Reclassification From Accumulated Oci To Income Estimate Of Time To Transfer1 DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimateOfTimeToTransfer1	P12M
CY2023	klic	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	4	renewal_option
CY2021	klic	Earnings Per Share Diluted Adjustment EarningsPerShareDilutedAdjustment	-0.14
CY2023	us-gaap	Operating Lease Expense OperatingLeaseExpense	10746000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	8625000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	9314000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	7908000	usd
CY2023Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y8M12D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2023Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.067
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.058
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	9553000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	9180000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	8702000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	6796000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	6357000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	22307000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	62895000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	14482000	usd
CY2023Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	48413000	usd
CY2023Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6574000	usd
CY2023Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	41839000	usd
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99
CY2023	us-gaap	Pension Contributions PensionContributions	2001000	usd
CY2022	us-gaap	Pension Contributions PensionContributions	1973000	usd
CY2018Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	200000000	usd
CY2019Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	300000000	usd
CY2020Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	400000000	usd
CY2022Q1	klic	Increase Decrease In Stock Repurchase Program Authorized Amount IncreaseDecreaseInStockRepurchaseProgramAuthorizedAmount	400000000	usd
CY2022Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	800000000	usd
CY2023	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1515000	shares
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	68100000	usd
CY2023Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	181000000	usd
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2022Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.76
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-20178000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-29854000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	861000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	812000	usd
CY2023Q3	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-723000	usd
CY2022Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-2234000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-21762000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-32900000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	22744000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	18986000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	22744000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	18986000	usd
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.09
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.78
CY2023	klic	Earnings Per Share Diluted Adjustment EarningsPerShareDilutedAdjustment	-0.02
CY2022	klic	Earnings Per Share Diluted Adjustment EarningsPerShareDilutedAdjustment	-0.12
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	26317000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	0	usd
CY2023	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	4230000	usd
CY2022	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	51774000	usd
CY2023	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	-20366000	usd
CY2022	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	-25457000	usd
CY2023Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	10181000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	26317000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	3160000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	15596000	usd
CY2023	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-38435000	usd
CY2022	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-116399000	usd
CY2023	klic	Contractwith Customer Liability Increase Decrease Additions ContractwithCustomerLiabilityIncreaseDecreaseAdditions	40072000	usd
CY2022	klic	Contractwith Customer Liability Increase Decrease Additions ContractwithCustomerLiabilityIncreaseDecreaseAdditions	103963000	usd
CY2023Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	4797000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	3160000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	57148000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	57148000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	433545000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	433545000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	367161000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	367161000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56682000	shares
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56682000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60164000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60164000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	62009000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	62009000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	866000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1018000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1506000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57548000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	61182000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	63515000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.21
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.21
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.92
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.92
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	15000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000	shares
CY2023	klic	Selling General And Administrative Incentive Compensation Expense SellingGeneralAndAdministrativeIncentiveCompensationExpense	10424000	usd
CY2022	klic	Selling General And Administrative Incentive Compensation Expense SellingGeneralAndAdministrativeIncentiveCompensationExpense	27011000	usd
CY2021	klic	Selling General And Administrative Incentive Compensation Expense SellingGeneralAndAdministrativeIncentiveCompensationExpense	39779000	usd
CY2023	klic	Warranty And Retrofit Expense WarrantyAndRetrofitExpense	13729000	usd
CY2022	klic	Warranty And Retrofit Expense WarrantyAndRetrofitExpense	16349000	usd
CY2021	klic	Warranty And Retrofit Expense WarrantyAndRetrofitExpense	22068000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-5635000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-11415000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-8853000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	77836000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	488403000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	423403000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	72201000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	476988000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	414550000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	10412000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14975000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	26563000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-128000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	246000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	261000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	8830000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	37448000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	30771000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1304000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5809000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-2979000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-5365000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-3417000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-7321000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15053000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	43443000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	47295000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	15162000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	100212000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	86915000	usd
CY2023	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-8448000	usd
CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-17936000	usd
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-15028000	usd
CY2023	klic	Income Tax Reconciliation Benefits From Foreign Approved Enterprises IncomeTaxReconciliationBenefitsFromForeignApprovedEnterprises	11198000	usd
CY2022	klic	Income Tax Reconciliation Benefits From Foreign Approved Enterprises IncomeTaxReconciliationBenefitsFromForeignApprovedEnterprises	50113000	usd
CY2021	klic	Income Tax Reconciliation Benefits From Foreign Approved Enterprises IncomeTaxReconciliationBenefitsFromForeignApprovedEnterprises	45501000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	4038000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2995000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2705000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	7834000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	26021000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	20281000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	3127000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-5830000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-11620000	usd
CY2023	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	24450000	usd
CY2022	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	45421000	usd
CY2021	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	52414000	usd
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	2517000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	0	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	0	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1315000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	705000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	3101000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15053000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	43443000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	47295000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.208
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.091
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.114
CY2023	klic	Tax Incentive Arrangement Income Tax Benefit TaxIncentiveArrangementIncomeTaxBenefit	11200000	usd
CY2023	klic	Tax Incentive Arrangement Income Tax Provision Benefit Earnings Per Share Impact TaxIncentiveArrangementIncomeTaxProvisionBenefitEarningsPerShareImpact	-0.19
CY2022	klic	Tax Incentive Arrangement Income Tax Benefit TaxIncentiveArrangementIncomeTaxBenefit	50100000	usd
CY2022	klic	Tax Incentive Arrangement Income Tax Provision Benefit Earnings Per Share Impact TaxIncentiveArrangementIncomeTaxProvisionBenefitEarningsPerShareImpact	-0.82
CY2021	klic	Tax Incentive Arrangement Income Tax Benefit TaxIncentiveArrangementIncomeTaxBenefit	45500000	usd
CY2021	klic	Tax Incentive Arrangement Income Tax Provision Benefit Earnings Per Share Impact TaxIncentiveArrangementIncomeTaxProvisionBenefitEarningsPerShareImpact	-0.72
CY2023Q3	klic	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Inventory Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsInventoryReserves	13118000	usd
CY2022Q4	klic	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Inventory Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsInventoryReserves	14168000	usd
CY2023Q3	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	12529000	usd
CY2022Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	25105000	usd
CY2023Q3	klic	Deferred Tax Assets Tax Credit Carryforwards Domestic DeferredTaxAssetsTaxCreditCarryforwardsDomestic	5026000	usd
CY2022Q4	klic	Deferred Tax Assets Tax Credit Carryforwards Domestic DeferredTaxAssetsTaxCreditCarryforwardsDomestic	3893000	usd
CY2023Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	26607000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	15329000	usd
CY2023Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	57280000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	58495000	usd
CY2023Q3	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	21483000	usd
CY2022Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	21750000	usd
CY2023Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	35797000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	36745000	usd
CY2023Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	16357000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	19142000	usd
CY2023Q3	klic	Deferred Tax Liabilities Repatriation Of Foreign Earnings Including Foreign Withholding Taxes DeferredTaxLiabilitiesRepatriationOfForeignEarningsIncludingForeignWithholdingTaxes	25153000	usd
CY2022Q4	klic	Deferred Tax Liabilities Repatriation Of Foreign Earnings Including Foreign Withholding Taxes DeferredTaxLiabilitiesRepatriationOfForeignEarningsIncludingForeignWithholdingTaxes	26068000	usd
CY2023Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	41510000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	45210000	usd
CY2023Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	5713000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	8465000	usd
CY2023Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	31551000	usd
CY2022Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	25572000	usd
CY2023Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	37264000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	34037000	usd
CY2023Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	5713000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	8465000	usd
CY2023Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	89700000	usd
CY2023Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	35000000	usd
CY2023Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	7800000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	16623000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	14922000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	13064000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1493000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2288000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4003000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1497000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	587000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2145000	usd
CY2023Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	16619000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	16623000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	14922000	usd
CY2023Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	2800000	usd
CY2023Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	17900000	usd
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2023	us-gaap	Revenues Revenues	742491000	usd
CY2022	us-gaap	Revenues Revenues	1503620000	usd
CY2021	us-gaap	Revenues Revenues	1517664000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	39437000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	470072000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	412447000	usd
CY2023	us-gaap	Revenues Revenues	742491000	usd
CY2022	us-gaap	Revenues Revenues	1503620000	usd
CY2021	us-gaap	Revenues Revenues	1517664000	usd
CY2023	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	47702000	usd
CY2022	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	32233000	usd
CY2021	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	22555000	usd
CY2023	us-gaap	Depreciation Depreciation	22758000	usd
CY2022	us-gaap	Depreciation Depreciation	16376000	usd
CY2021	us-gaap	Depreciation Depreciation	13836000	usd
CY2023	us-gaap	Adjustment For Amortization AdjustmentForAmortization	6099000	usd
CY2022	us-gaap	Adjustment For Amortization AdjustmentForAmortization	4917000	usd
CY2021	us-gaap	Adjustment For Amortization AdjustmentForAmortization	5974000	usd
CY2023	us-gaap	Revenues Revenues	742491000	usd
CY2022	us-gaap	Revenues Revenues	1503620000	usd
CY2021	us-gaap	Revenues Revenues	1517664000	usd
CY2023Q3	us-gaap	Noncurrent Assets NoncurrentAssets	161138000	usd
CY2022Q4	us-gaap	Noncurrent Assets NoncurrentAssets	130946000	usd
CY2023	klic	Period Of Warranty For Manufacturing Defects PeriodOfWarrantyForManufacturingDefects	P1Y
CY2022Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	13443000	usd
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	16961000	usd
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	9576000	usd
CY2023	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	12850000	usd
CY2022	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	12907000	usd
CY2021	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	18889000	usd
CY2023	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	15836000	usd
CY2022	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	16425000	usd
CY2021	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	11504000	usd
CY2023Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	10457000	usd
CY2022Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	13443000	usd
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	16961000	usd
CY2023Q3	klic	Inventory Purchase Obligation Future Minimum Payments Due InventoryPurchaseObligationFutureMinimumPaymentsDue	182567000	usd
CY2023Q3	klic	Inventory Purchase Obligation Future Minimum Payments Due Current InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent	182567000	usd
CY2023Q3	klic	Inventory Purchase Obligation Future Minimum Payments Due In Two Years InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears	0	usd
CY2023Q3	klic	Inventory Purchase Obligation Future Minimum Payments Due In Three Years InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears	0	usd
CY2023Q3	klic	Inventory Purchase Obligation Future Minimum Payments Due In Four Years InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears	0	usd
CY2023Q3	klic	Inventory Purchase Obligation Future Minimum Payments Due Thereafter InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter	0	usd
CY2023	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023	dei	Auditor Firm AuditorFirmId	1093

Files In Submission

Name	View Source	Status
0000056978-23-000172-index-headers.html	Edgar Link	pending
0000056978-23-000172-index.html	Edgar Link	pending
0000056978-23-000172.txt	Edgar Link	pending
0000056978-23-000172-xbrl.zip	Edgar Link	pending
ex1014formofceopsugrowth20.htm	Edgar Link	pending
ex1015formofexecutivepsugr.htm	Edgar Link	pending
ex1016formofceopsurelative.htm	Edgar Link	pending
ex1017formofexecutivepsure.htm	Edgar Link	pending
ex1018rsuagreement2023.htm	Edgar Link	pending
ex1019icpfy2023.htm	Edgar Link	pending
ex1020clawbackpolicy.htm	Edgar Link	pending
ex1021insidertradingpolicy.htm	Edgar Link	pending
ex107leaseagreement.htm	Edgar Link	pending
exhibit2112023.htm	Edgar Link	pending
exhibit2312023.htm	Edgar Link	pending
exhibit3112023.htm	Edgar Link	pending
exhibit3122023.htm	Edgar Link	pending
exhibit3212023.htm	Edgar Link	pending
exhibit3222023.htm	Edgar Link	pending
exhibit422023.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
image.jpg	Edgar Link	pending
image1013b.jpg	Edgar Link	pending
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image_107ga.jpg	Edgar Link	pending
image_107ha.jpg	Edgar Link	pending
image_107ia.jpg	Edgar Link	pending
image_107ja.jpg	Edgar Link	pending
klic-20230930.htm	Edgar Link	pending
klic-20230930.xsd	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R33.htm	Edgar Link	pending
klic-20230930_cal.xml	Edgar Link	unprocessable
klic-20230930_lab.xml	Edgar Link	unprocessable
klic-20230930_pre.xml	Edgar Link	unprocessable
klic-20230930_htm.xml	Edgar Link	completed
R34.htm	Edgar Link	pending
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R97.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
klic-20230930_def.xml	Edgar Link	unprocessable

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$KLIC
KULICKE & SOFFA INDUSTRIES INC Stock $klic

2023 Q4 Form 10-K Financial Statement

#000005697823000172 Filed on November 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KLIC KULICKE & SOFFA INDUSTRIES INC Stock $klic

2023 Q4 Form 10-K Financial Statement

#000005697823000172 Filed on November 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KLIC
KULICKE & SOFFA INDUSTRIES INC Stock $klic