$IPGP
IPG PHOTONICS CORP Stock $ipgp

$ipgp Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-K Financial Statement

#000111192819000035 Filed on February 27, 2019

Income Statement

Concept	2017 Q4	2017 Q3	2017 Q2
Revenue	$361.1M	$392.6M	$369.4M
YoY Change	28.89%	47.59%	46.12%
Cost Of Revenue	$152.3M	$168.1M	$163.1M
YoY Change	22.04%	38.63%	41.7%
Gross Profit	$208.8M	$224.6M	$206.3M
YoY Change	34.41%	55.09%	49.81%
Gross Profit Margin	57.83%	57.19%	55.85%
Selling, General & Admin	$35.00M	$34.88M	$32.01M
YoY Change	17.45%	27.95%	23.88%
% of Gross Profit	16.76%	15.53%	15.52%
Research & Development	$26.60M	$25.54M	$25.96M
YoY Change	20.36%	24.33%	41.0%
% of Gross Profit	12.74%	11.37%	12.58%
Depreciation & Amortization	$18.20M	$16.70M	$15.20M
YoY Change	30.94%	20.14%	23.58%
% of Gross Profit	8.72%	7.44%	7.37%
Operating Expenses	$61.60M	$64.33M	$65.15M
YoY Change	18.69%	26.88%	52.6%
Operating Profit	$147.2M	$160.2M	$141.1M
YoY Change	42.3%	70.29%	48.56%
Interest Expense	$1.200M	-$125.0K	$468.0K
YoY Change	-47.83%	-133.51%	73.33%
% of Operating Profit	0.82%	-0.08%	0.33%
Other Income/Expense, Net	$100.0K	$334.0K	$491.0K
YoY Change	-83.33%	-41.09%	19.46%
Pretax Income	$148.4M	$160.6M	$141.6M
YoY Change	39.6%	69.63%	48.43%
Income Tax	$46.10M	$44.96M	$37.53M
% Of Pretax Income	31.06%	28.0%	26.5%
Net Earnings	$52.96M	$115.6M	$104.1M
YoY Change	-29.52%	66.96%	55.26%
Net Earnings / Revenue	14.67%	29.44%	28.19%
Basic Earnings Per Share	$0.99	$2.16	$1.95
Diluted Earnings Per Share	$0.96	$2.11	$1.91
COMMON SHARES
Basic Shares Outstanding	53.62M shares	53.44M shares	53.38M shares
Diluted Shares Outstanding		54.70M shares	54.47M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.116B	$1.046B	$930.4M
YoY Change	34.38%	35.39%	30.29%
Cash & Equivalents	$909.9M	$880.3M	$808.1M
Short-Term Investments	$206.3M	$165.7M	$122.3M
Other Short-Term Assets	$92.90M	$87.40M	$82.40M
YoY Change	23.21%	-11.63%	-8.85%
Inventory	$307.7M	$282.5M	$260.7M
Prepaid Expenses
Receivables	$237.3M	$226.8M	$237.3M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.754B	$1.643B	$1.511B
YoY Change	34.82%	28.68%	26.19%
LONG-TERM ASSETS
Property, Plant & Equipment	$460.2M	$441.5M	$389.9M
YoY Change	21.31%	20.14%	11.25%
Goodwill	$55.83M	$51.14M	$28.73M
YoY Change	181.58%	153.91%	40.4%
Intangibles	$51.22M	$49.67M	$32.29M
YoY Change	77.93%	75.06%	9.86%
Long-Term Investments
YoY Change
Other Assets	$19.01M	$20.67M	$21.05M
YoY Change	2.18%	6.34%	14.82%
Total Long-Term Assets	$613.2M	$603.5M	$519.8M
YoY Change	25.4%	33.88%	20.3%
TOTAL ASSETS
Total Short-Term Assets	$1.754B	$1.643B	$1.511B
Total Long-Term Assets	$613.2M	$603.5M	$519.8M
Total Assets	$2.367B	$2.246B	$2.031B
YoY Change	32.25%	30.03%	24.63%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$35.11M	$34.27M	$29.00M
YoY Change	25.17%	91.47%	42.04%
Accrued Expenses	$144.4M	$134.3M	$116.5M
YoY Change	40.92%	39.33%	44.66%
Deferred Revenue	$46.51M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$3.604M	$3.576M	$1.188M
YoY Change	13.05%	12.17%	-62.74%
Total Short-Term Liabilities	$198.9M	$182.2M	$156.8M
YoY Change	25.67%	17.07%	16.16%
LONG-TERM LIABILITIES
Long-Term Debt	$45.38M	$46.30M	$21.38M
YoY Change	20.57%	20.46%	-45.51%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$45.38M	$46.30M	$21.38M
YoY Change	-38.68%	-32.57%	-69.97%
TOTAL LIABILITIES
Total Short-Term Liabilities	$198.9M	$182.2M	$156.8M
Total Long-Term Liabilities	$45.38M	$46.30M	$21.38M
Total Liabilities	$344.9M	$287.0M	$226.2M
YoY Change	48.5%	27.95%	9.72%
SHAREHOLDERS EQUITY
Retained Earnings	$1.444B	$1.391B	$1.275B
YoY Change	31.97%	36.5%	34.28%
Common Stock	$704.7M	$693.3M	$681.3M
YoY Change	8.26%	9.05%	8.19%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$48.93M	$35.86M	$33.06M
YoY Change	446.98%	929.49%
Treasury Stock Shares	378.3K shares	318.6K shares	301.3K shares
Shareholders Equity	$2.022B	$1.959B	$1.804B
YoY Change
Total Liabilities & Shareholders Equity	$2.367B	$2.246B	$2.031B
YoY Change	32.25%	30.03%	24.63%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2017 Q2
OPERATING ACTIVITIES
Net Income	$52.96M	$115.6M	$104.1M
YoY Change	-29.52%	66.96%	55.26%
Depreciation, Depletion And Amortization	$18.20M	$16.70M	$15.20M
YoY Change	30.94%	20.14%	23.58%
Cash From Operating Activities	$108.5M	$163.8M	$82.30M
YoY Change	6.48%	87.2%	89.63%
INVESTING ACTIVITIES
Capital Expenditures	-$27.30M	-$55.60M	-$21.70M
YoY Change	1.11%	91.07%	-52.72%
Acquisitions
YoY Change
Other Investing Activities	-$50.20M	-$82.40M	$46.10M
YoY Change	-37.64%	82300.0%	-197.88%
Cash From Investing Activities	-$77.50M	-$138.0M	$24.30M
YoY Change	-27.91%	370.99%	-126.16%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-8.600M	30.60M	-21.70M
YoY Change	-1328.57%	-927.03%	-176.68%
NET CHANGE
Cash From Operating Activities	108.5M	163.8M	82.30M
Cash From Investing Activities	-77.50M	-138.0M	24.30M
Cash From Financing Activities	-8.600M	30.60M	-21.70M
Net Change In Cash	22.40M	56.40M	84.90M
YoY Change	-557.14%	3.49%	-500.47%
FREE CASH FLOW
Cash From Operating Activities	$108.5M	$163.8M	$82.30M
Capital Expenditures	-$27.30M	-$55.60M	-$21.70M
Free Cash Flow	$135.8M	$219.4M	$104.0M
YoY Change	5.35%	88.16%	16.46%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018	dei	Document Type DocumentType	10-K
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Entity Registrant Name EntityRegistrantName	IPG PHOTONICS CORP
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0001111928
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	52962009	shares
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	175000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	175000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	54371701	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	54007708	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	52941607	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53629439	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1430094	shares
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	378269	shares
CY2018Q4	ipgp	Accumulated Other Comprehensive Income Loss Cumulative Changesin Net Gain Lossfrom Cash Flow Hedges Effect Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesinNetGainLossfromCashFlowHedgesEffectTax	4000	USD
CY2017Q4	ipgp	Accumulated Other Comprehensive Income Loss Cumulative Changesin Net Gain Lossfrom Cash Flow Hedges Effect Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesinNetGainLossfromCashFlowHedgesEffectTax	14000	USD
CY2017	ipgp	Bank Acceptances Weighted Average Maturity Period BankAcceptancesWeightedAverageMaturityPeriod	P90D
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum	0.31
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CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum	0.0254
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CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.0141
CY2016	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRateMinimum	0.0265
CY2016	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRateMaximum	0.0526
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CY2018Q2	dei	Entity Public Float EntityPublicFloat	7100000000	USD
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CY2018Q4	us-gaap	Short Term Investments ShortTermInvestments	500432000	USD
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CY2018Q4	us-gaap	Inventory Net InventoryNet	403579000	USD
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CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	43782000	USD
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CY2018Q4	us-gaap	Goodwill Goodwill	100722000	USD
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CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	543068000	USD
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CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	51161000	USD
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CY2018Q4	us-gaap	Deferred Income Taxes And Other Liabilities Noncurrent DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent	80734000	USD
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CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	224998000	USD
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CY2018Q4	us-gaap	Minority Interest MinorityInterest	687000	USD
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CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	523405000	USD
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CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2252000	USD
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CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	130226000	USD
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CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	105849000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	404169000	USD
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CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	142000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-26000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-36000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	404027000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	347614000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	260752000	USD
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.55
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.50
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.91
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.38
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.36
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.85
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53522000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53495000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53068000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54726000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54699000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53797000	shares
CY2018	us-gaap	Profit Loss ProfitLoss	404169000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	347588000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	260716000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-85590000	USD
CY2017	ipgp	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Immaterial Adjustment And Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfImmaterialAdjustmentAndTax	100999000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	3163000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	15000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-58000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	49000	USD
CY2018	ipgp	Other Comprehensive Income Loss Adoption Of New Accounting Pronouncement Adjustment Net Of Tax OtherComprehensiveIncomeLossAdoptionOfNewAccountingPronouncementAdjustmentNetOfTax	10000	USD
CY2017	ipgp	Other Comprehensive Income Loss Adoption Of New Accounting Pronouncement Adjustment Net Of Tax OtherComprehensiveIncomeLossAdoptionOfNewAccountingPronouncementAdjustmentNetOfTax	0	USD
CY2016	ipgp	Other Comprehensive Income Loss Adoption Of New Accounting Pronouncement Adjustment Net Of Tax OtherComprehensiveIncomeLossAdoptionOfNewAccountingPronouncementAdjustmentNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-240000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-298000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	538000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-85565000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	101239000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2914000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	318604000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	448827000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	263630000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	129000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	31000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-21000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	318475000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	448796000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	263651000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1260665000	USD
CY2016	ipgp	Stock Issued During Period Value Options And Equity Instruments Other Than Options Exercised StockIssuedDuringPeriodValueOptionsAndEquityInstrumentsOtherThanOptionsExercised	18889000	USD
CY2016	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2702000	USD
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	8946000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21734000	USD
CY2016	ipgp	Noncontrolling Interest Decreasefrom Business Combination NoncontrollingInterestDecreasefromBusinessCombination	950000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	260716000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	3163000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	49000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-298000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1557724000	USD
CY2017	ipgp	Stock Issued During Period Value Options And Equity Instruments Other Than Options Exercised StockIssuedDuringPeriodValueOptionsAndEquityInstrumentsOtherThanOptionsExercised	25062000	USD
CY2017	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3592000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	39987000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	23021000	USD
CY2017Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	4223000	USD
CY2017	ipgp	Noncontrolling Interest Decreasefrom Business Combination NoncontrollingInterestDecreasefromBusinessCombination	197000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	347588000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	101056000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-58000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-240000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-538000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2022322000	USD
CY2018	ipgp	Stock Issued During Period Value Options And Equity Instruments Other Than Options Exercised StockIssuedDuringPeriodValueOptionsAndEquityInstrumentsOtherThanOptionsExercised	9895000	USD
CY2018	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2288000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	176065000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	28027000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	616000	USD
CY2018	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	558000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	404169000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-85590000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	15000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2206235000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	404169000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	347588000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	260716000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	80271000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	64568000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	51475000	USD
CY2018	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	4576000	USD
CY2017	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-22881000	USD
CY2016	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	12908000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	28027000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	23021000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	21734000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	2670000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-7949000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-2298000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	3586000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-986000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2724000	USD
CY2018	ipgp	Provisions For Inventory Product Warranty And Bad Debt ProvisionsForInventoryProductWarrantyAndBadDebt	38862000	USD
CY2017	ipgp	Provisions For Inventory Product Warranty And Bad Debt ProvisionsForInventoryProductWarrantyAndBadDebt	44978000	USD
CY2016	ipgp	Provisions For Inventory Product Warranty And Bad Debt ProvisionsForInventoryProductWarrantyAndBadDebt	46469000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	18814000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	63225000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	11444000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	135440000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	71080000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	53626000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	7062000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	911000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4069000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1426000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2309000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-407000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-19666000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	9612000	USD
CY2016	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	5480000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	35212000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	16719000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-10746000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	393301000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	405395000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	297696000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	160343000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	126535000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	127042000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1026000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	15882000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	658000	USD
CY2018	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	470328000	USD
CY2017	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	212515000	USD
CY2016	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	198808000	USD
CY2018	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	765310000	USD
CY2017	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	211832000	USD
CY2016	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	299508000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	109115000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	60483000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	47792000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-415000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	352000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-468000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-562999000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-170805000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-274408000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	255000	USD
CY2017	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	6761000	USD
CY2016	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	7992000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	255000	USD
CY2017	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	6761000	USD
CY2016	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	7992000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	28000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	23750000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3604000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	19842000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2594000	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	12183000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	28654000	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	16183000	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	839000	USD
CY2017	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2016	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2018	ipgp	Purchase Of Non Controlling Interest In Exchange For Common Stock PurchaseOfNonControllingInterestInExchangeForCommonStock	0	USD
CY2017	ipgp	Purchase Of Non Controlling Interest In Exchange For Common Stock PurchaseOfNonControllingInterestInExchangeForCommonStock	197000	USD
CY2016	ipgp	Purchase Of Non Controlling Interest In Exchange For Common Stock PurchaseOfNonControllingInterestInExchangeForCommonStock	950000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	176065000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	39987000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8946000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-166647000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3372000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	27443000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-29197000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	54827000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-9408000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-365542000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	286045000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	41323000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	909900000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	623855000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	582532000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	544358000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	909900000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	623855000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	3052000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	2583000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	942000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	112762000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	155559000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	126964000	USD
CY2018	ipgp	Demonstration Units Transferred From Inventory To Other Assets DemonstrationUnitsTransferredFromInventoryToOtherAssets	6270000	USD
CY2017	ipgp	Demonstration Units Transferred From Inventory To Other Assets DemonstrationUnitsTransferredFromInventoryToOtherAssets	4114000	USD
CY2016	ipgp	Demonstration Units Transferred From Inventory To Other Assets DemonstrationUnitsTransferredFromInventoryToOtherAssets	6293000	USD
CY2018	ipgp	Property Plantand Equipment Transferredfrom Inventory PropertyPlantandEquipmentTransferredfromInventory	2535000	USD
CY2017	ipgp	Property Plantand Equipment Transferredfrom Inventory PropertyPlantandEquipmentTransferredfromInventory	8425000	USD
CY2016	ipgp	Property Plantand Equipment Transferredfrom Inventory PropertyPlantandEquipmentTransferredfromInventory	4529000	USD
CY2018	ipgp	Change In Capital Expenditures Incurred But Notyet Paid ChangeInCapitalExpendituresIncurredButNotyetPaid	-2852000	USD
CY2018	ipgp	Bank Acceptances Weighted Average Maturity Period BankAcceptancesWeightedAverageMaturityPeriod	P90D
CY2017	ipgp	Change In Capital Expenditures Incurred But Notyet Paid ChangeInCapitalExpendituresIncurredButNotyetPaid	1594000	USD
CY2016	ipgp	Change In Capital Expenditures Incurred But Notyet Paid ChangeInCapitalExpendituresIncurredButNotyetPaid	973000	USD
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;">Use of Estimates</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;"> — The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances. Actual results could differ from those estimates.</span>
CY2018Q4	us-gaap	Bank Acceptances Executed BankAcceptancesExecuted	27335000	USD
CY2017Q4	us-gaap	Bank Acceptances Executed BankAcceptancesExecuted	46123000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2198000	USD
CY2016Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2016000	USD
CY2015Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1811000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	14000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	51000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	111000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	198000	USD
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	38000	USD
CY2016	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	76000	USD
CY2018	ipgp	Allowance For Doubtful Accounts Receivable Foreign Currency Translation AllowanceForDoubtfulAccountsReceivableForeignCurrencyTranslation	283000	USD
CY2017	ipgp	Allowance For Doubtful Accounts Receivable Foreign Currency Translation AllowanceForDoubtfulAccountsReceivableForeignCurrencyTranslation	-169000	USD
CY2016	ipgp	Allowance For Doubtful Accounts Receivable Foreign Currency Translation AllowanceForDoubtfulAccountsReceivableForeignCurrencyTranslation	-170000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1731000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2198000	USD
CY2016Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2016000	USD
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	175000000	shares
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2018	ipgp	Concentration Risk Numberof Customers ConcentrationRiskNumberofCustomers	1	numberOfCustomers
CY2018	ipgp	Number Of Largest Customers Sales NumberOfLargestCustomersSales	5	customer
CY2018	ipgp	Net Sales By Major Customers Percentage NetSalesByMajorCustomersPercentage	0.26
CY2017	ipgp	Net Sales By Major Customers Percentage NetSalesByMajorCustomersPercentage	0.28
CY2016	ipgp	Net Sales By Major Customers Percentage NetSalesByMajorCustomersPercentage	0.22
CY2018	us-gaap	Derivatives Reporting Of Derivative Activity DerivativesReportingOfDerivativeActivity	<span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;line-height:120%;">Derivative Instruments</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:10pt;line-height:120%;"> — The Company's primary market exposures are to interest rates and foreign exchange rates. The Company from time to time may use certain derivative financial instruments to help manage these exposures. The Company executes these instruments with financial institutions it judges to be credit-worthy. The Company does not hold or issue</span> derivative financial instruments for trading or speculative purposes. The Company recognizes all derivative financial instruments as either assets or liabilities at fair value in the consolidated balance sheets.
CY2018	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2018Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	28150000	USD
CY2018Q1	ipgp	Customer Deposits And Deferred Revenue Current CustomerDepositsAndDeferredRevenueCurrent	46508000	USD
CY2018Q1	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	43741000	USD
CY2018Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	15810000	USD
CY2018Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	21496000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1444473000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-77334000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1459874000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1459874000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1459874000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1459874000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	10102000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	52606000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	1413000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	40944000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	41340000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	2460000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	375000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	203000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	71000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	4000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	44453000	USD
CY2018Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	771275000	USD
CY2018Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	45378000	USD
CY2018Q4	ipgp	Contingent Purchase Consideration Fair Value Disclosure ContingentPurchaseConsiderationFairValueDisclosure	898000	USD
CY2018Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	46276000	USD
CY2017Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	633110000	USD
CY2017Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	48982000	USD
CY2017Q4	ipgp	Contingent Purchase Consideration Fair Value Disclosure ContingentPurchaseConsiderationFairValueDisclosure	902000	USD
CY2017Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	49884000	USD
CY2018	us-gaap	Other Than Temporary Impairment Losses Investments Heldtomaturity Securities OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecurities	0	USD
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Heldtomaturity Securities OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecurities	0	USD
CY2018	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2017	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	585875000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	585573000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	206257000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	206161000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	3859000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	3859000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	0	USD
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	589734000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	589432000	USD
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	206257000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	206161000	USD
CY2018Q4	ipgp	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date After Five Years Fair Value DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterFiveYearsFairValue	847000	USD
CY2018Q4	ipgp	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date After Five Years Amortized Cost DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterFiveYearsAmortizedCost	847000	USD
CY2017Q4	ipgp	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date After Five Years Amortized Cost DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterFiveYearsAmortizedCost	1012000	USD
CY2017Q4	ipgp	Debt Securities Available For Sale Maturity Allocated And Single Maturity Date After Five Years Fair Value DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateAfterFiveYearsFairValue	1016000	USD
CY2018Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	233594000	USD
CY2017Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	145261000	USD
CY2018Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	66498000	USD
CY2017Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	43646000	USD
CY2018Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	103487000	USD
CY2017Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	118805000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	403579000	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	307712000	USD
CY2018	us-gaap	Inventory Write Down InventoryWriteDown	12981000	USD
CY2017	us-gaap	Inventory Write Down InventoryWriteDown	16946000	USD
CY2016	us-gaap	Inventory Write Down InventoryWriteDown	22796000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	55831000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	19828000	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-452000	USD
CY2017	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	47705000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	36005000	USD
CY2018	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-2362000	USD
CY2017	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	0	USD
CY2018Q4	us-gaap	Goodwill Goodwill	100722000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	55831000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	29141000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	116280000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	87139000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	74188000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	22965000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	51223000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8170000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5899000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3759000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	12861000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	12027000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	11661000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	10794000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	9844000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	29952000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	87139000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	878575000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	743925000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	335507000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	283719000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	543068000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	460206000	USD
CY2018	us-gaap	Depreciation Depreciation	68231000	USD
CY2017	us-gaap	Depreciation Depreciation	54900000	USD
CY2016	us-gaap	Depreciation Depreciation	44757000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	553732000	USD
CY2017Q4	us-gaap	Noncurrent Assets NoncurrentAssets	473854000	USD
CY2018Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	60107000	USD
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	63203000	USD
CY2018Q4	ipgp	Contract With Customer Liability Customer Deposits Current ContractWithCustomerLiabilityCustomerDepositsCurrent	46703000	USD
CY2017Q4	ipgp	Contract With Customer Liability Customer Deposits Current ContractWithCustomerLiabilityCustomerDepositsCurrent	47324000	USD
CY2018Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	23106000	USD
CY2017Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	25059000	USD
CY2018Q4	ipgp	Contract With Customer Liability Excluding Order Specific Contracts Current ContractWithCustomerLiabilityExcludingOrderSpecificContractsCurrent	9819000	USD
CY2017Q4	ipgp	Contract With Customer Liability Excluding Order Specific Contracts Current ContractWithCustomerLiabilityExcludingOrderSpecificContractsCurrent	0	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	14905000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	8831000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	154640000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	144417000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	47517000	USD
CY2016Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	33978000	USD
CY2015Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	28210000	USD
CY2018	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	24948000	USD
CY2017	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	26995000	USD
CY2016	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	22483000	USD
CY2018	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	18922000	USD
CY2017	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	16250000	USD
CY2016	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	16220000	USD
CY2018	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	2121000	USD
CY2017	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-2794000	USD
CY2016	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	495000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	51422000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	47517000	USD
CY2016Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	33978000	USD
CY2018Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	23106000	USD
CY2017Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	25059000	USD
CY2018Q4	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	28316000	USD
CY2017Q4	us-gaap	Product Warranty Accrual Noncurrent ProductWarrantyAccrualNoncurrent	22458000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	41707000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	45378000	USD
CY2018	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-19000	USD
CY2017	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	0	USD
CY2016	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	0	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	6175000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	8095000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	7091000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	6314000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4603000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	3358000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2596000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	2078000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	11340000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	30289000	USD
CY2018Q4	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	114396000	USD
CY2017Q4	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	119960000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	28027000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23021000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21734000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	6632000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	7367000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	6971000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	21395000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	15654000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	14763000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0025
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0025
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0025
CY2018	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate	0
CY2017	ipgp	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate	0
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2224169	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	53.82
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	260930	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	82.84
CY2016	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	392887	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	35.81
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	27959	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	72.87
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2064253	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	60.65
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y14D
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	78556000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	293284	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	124.57
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	546931	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	50.50
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	13113	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	90.81
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1797493	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	73.95
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y7D
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	251970000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	257111	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	232.26
CY2018Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	22367000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	50131000	USD
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	282720	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	58.94
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	24810	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	131.36
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1747074	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	98.93
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y9M18D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	58084000	USD
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	830076	shares
CY2018Q4	ipgp	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Weighted Average Exercise Price SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedWeightedAverageExercisePrice	140.80
CY2018	ipgp	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Weighted Average Remaining Contractual Term SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedWeightedAverageRemainingContractualTerm	P7Y9M25D
CY2018Q4	ipgp	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Aggregate Intrinsic Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedAggregateIntrinsicValue	9179000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	916998	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	61.03
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y11M15D
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	48905000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	51266000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	23315000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	71.06
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	38.01
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	33.08
CY2018	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y8M12D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	12660000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4261000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3363000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2509000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	146855000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	190480000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	103798000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	387540000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	361391000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	262767000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	534395000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	551871000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	366565000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7274000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	85761000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	41407000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2097000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2387000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4750000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	125431000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	93254000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	72600000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	134802000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	181402000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	118757000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2497000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	12459000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8709000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	8449000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	649000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-383000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-15522000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	9773000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-3816000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4576000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	22881000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-12908000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	130226000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	204283000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	105849000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	112223000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	193155000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	128298000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	26985000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-25795000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-16718000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3367000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3413000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2640000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-13298000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-14015000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	0	USD
CY2018	ipgp	Effective Income Tax Rate Reconciliation Deduction Foreign Derived Intangible Income Amount EffectiveIncomeTaxRateReconciliationDeductionForeignDerivedIntangibleIncomeAmount	7930000	USD
CY2017	ipgp	Effective Income Tax Rate Reconciliation Deduction Foreign Derived Intangible Income Amount EffectiveIncomeTaxRateReconciliationDeductionForeignDerivedIntangibleIncomeAmount	0	USD
CY2016	ipgp	Effective Income Tax Rate Reconciliation Deduction Foreign Derived Intangible Income Amount EffectiveIncomeTaxRateReconciliationDeductionForeignDerivedIntangibleIncomeAmount	0	USD
CY2018	ipgp	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAmount	5955000	USD
CY2017	ipgp	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAmount	0	USD
CY2016	ipgp	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAmount	0	USD
CY2018	ipgp	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017	4747000	USD
CY2017	ipgp	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017	-48126000	USD
CY2016	ipgp	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	1422000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	1281000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	111000	USD
CY2018	ipgp	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate On Prepaid Taxes Amount EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRateOnPrepaidTaxesAmount	6585000	USD
CY2017	ipgp	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate On Prepaid Taxes Amount EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRateOnPrepaidTaxesAmount	0	USD
CY2016	ipgp	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate On Prepaid Taxes Amount EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRateOnPrepaidTaxesAmount	0	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	11024000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	9210000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	9840000	USD
CY2018	ipgp	Income Tax Reconciliation Change In Reserves Including Interest And Penalties IncomeTaxReconciliationChangeInReservesIncludingInterestAndPenalties	-2290000	USD
CY2017	ipgp	Income Tax Reconciliation Change In Reserves Including Interest And Penalties IncomeTaxReconciliationChangeInReservesIncludingInterestAndPenalties	-4350000	USD
CY2016	ipgp	Income Tax Reconciliation Change In Reserves Including Interest And Penalties IncomeTaxReconciliationChangeInReservesIncludingInterestAndPenalties	1105000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	7421000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-51000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-26000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	977000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	3029000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	2489000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	130226000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	204283000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	105849000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	22443000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	20191000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	12963000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	13437000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Reserves And Accruals DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals	2599000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3588000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	10771000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	10294000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	17481000	USD
CY2017Q4	ipgp	Deferred Tax Liabilities Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	5223000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3364000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3993000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	7910000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	284000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	11627000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	5614000	USD
CY2017	ipgp	Tax Cuts And Jobs Act Of2017 Transition Tax For Accumulated Foreign Earnings Amount Subjected To Tax TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsAmountSubjectedToTax	43379000	USD
CY2017	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense	48126000	USD
CY2018Q3	ipgp	Tax Cuts And Jobs Act Of2017 Transition Tax For Accumulated Foreign Earnings Amount Subjected To Tax Increase Decrease In Income Taxes TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsAmountSubjectedToTaxIncreaseDecreaseInIncomeTaxes	4747000	USD
CY2018Q4	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability Noncurrent TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityNoncurrent	30263000	USD
CY2017Q4	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability Noncurrent TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityNoncurrent	44366000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	1422000	USD
CY2017	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Reporting Basis In Excess Of Tax Basis TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsReportingBasisInExcessOfTaxBasis	1281000	USD
CY2018Q3	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	141000	USD
CY2018	ipgp	Effective Income Tax Rate Reconciliation Deduction Foreign Derived Intangible Income Amount EffectiveIncomeTaxRateReconciliationDeductionForeignDerivedIntangibleIncomeAmount	7930000	USD
CY2018	ipgp	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAmount	5955000	USD
CY2018	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Reporting Basis In Excess Of Tax Basis TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsReportingBasisInExcessOfTaxBasis	521820000	USD
CY2018	ipgp	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Amount Subjected To Tax TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsAmountSubjectedToTax	1084000	USD
CY2017	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	121000	USD
CY2018Q4	ipgp	Deferred Tax Liabilities Withholdingand Dividend Tax Foreign DeferredTaxLiabilitiesWithholdingandDividendTaxForeign	2225000	USD
CY2018Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	930993000	USD
CY2017Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	1266000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10370000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6403000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1067000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2240000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2726000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	6207000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	823000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation		USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11206000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10370000	USD
CY2018	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	631000	USD
CY2017Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	789000	USD
CY2016	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	-163000	USD
CY2018Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	1419000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	404027000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	347614000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	260752000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	404027000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	347614000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	260752000	USD
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53522000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53495000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53068000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1204000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	30880	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	16104	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	60797	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1204000	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	729000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54726000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54699000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53797000	shares
CY2018	ipgp	Basic Net Income Per Share Attributable To Parent BasicNetIncomePerShareAttributableToParent	7.55
CY2017	ipgp	Basic Net Income Per Share Attributable To Parent BasicNetIncomePerShareAttributableToParent	6.50
CY2016	ipgp	Basic Net Income Per Share Attributable To Parent BasicNetIncomePerShareAttributableToParent	4.91
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.55
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.50
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.91
CY2018	ipgp	Diluted Net Income Per Share Attributable To Parent DilutedNetIncomePerShareAttributableToParent	7.38
CY2017	ipgp	Diluted Net Income Per Share Attributable To Parent DilutedNetIncomePerShareAttributableToParent	6.36
CY2016	ipgp	Diluted Net Income Per Share Attributable To Parent DilutedNetIncomePerShareAttributableToParent	4.85
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.38
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.36
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.85
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	359864000	USD
CY2016	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	87.01
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	413613000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	356346000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	330051000	USD
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1051825	shares
CY2017	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	275495	shares
CY2016	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	102774	shares
CY2018	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	167.39
CY2017	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	145.15
CY2018	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	363936	shares
CY2017	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	160440	shares
CY2016	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	20935	shares
CY2017Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	285846000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	369373000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	203362000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	234975000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	195184000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	166747000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	106334000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	121617000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	100517000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	75559000	USD
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.98
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.27
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.88
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.42
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.93
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.21
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.84
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.40
CY2017Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	392615000	USD
CY2017Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	361055000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	157267000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	206296000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	224555000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	208793000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	74945000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	104116000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	115597000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	52956000	USD
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.40
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.95
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.91
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.11
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
CY2018Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	125000000	USD
CY2018Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	125000000	USD
CY2018Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	125000000	USD

Files In Submission

Name	View Source	Status
0001111928-19-000035-index-headers.html	Edgar Link	pending
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0001111928-19-000035.txt	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
ipgp-20181231.htm	Edgar Link	pending
ipgp-20181231.xsd	Edgar Link	pending
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ipgp-20181231_def.xml	Edgar Link	unprocessable
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ipgp-20181231_htm.xml	Edgar Link	completed
ipgp-20181231_lab.xml	Edgar Link	unprocessable
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$IPGP
IPG PHOTONICS CORP Stock $ipgp

2017 Q4 Form 10-K Financial Statement

#000111192819000035 Filed on February 27, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IPGP IPG PHOTONICS CORP Stock $ipgp

2017 Q4 Form 10-K Financial Statement

#000111192819000035 Filed on February 27, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IPGP
IPG PHOTONICS CORP Stock $ipgp