$KMT
KENNAMETAL INC Stock $kmt

$kmt Overview Financials Valuation SEC Filings Company Website

2021 Form 10-K Financial Statement

#000005524221000042 Filed on August 10, 2021

Income Statement

Concept	2021	2020 Q2	2019 Q2
Revenue	$1.841B	$379.1M	$603.9M
YoY Change	-2.33%	-37.24%	-6.53%
Cost Of Revenue	$1.289B	$274.1M	$390.2M
YoY Change	-4.93%	-29.75%	-5.73%
Gross Profit	$552.5M	$101.5M	$213.7M
YoY Change	4.35%	-52.53%	-7.98%
Gross Profit Margin	30.0%	26.77%	35.39%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$39.50M
YoY Change	2.07%
% of Gross Profit	7.15%
Depreciation & Amortization	$126.5M	$30.30M	$29.10M
YoY Change	5.53%	4.12%	5.05%
% of Gross Profit	22.89%	29.87%	13.62%
Operating Expenses	$407.2M	$71.50M	$119.8M
YoY Change	4.84%	-40.32%	-10.26%
Operating Profit	$102.2M	$29.95M	$93.92M
YoY Change	359.14%	-68.11%	-4.9%
Interest Expense	$46.38M	-$11.30M	-$8.600M
YoY Change	31.92%	31.4%	3.61%
% of Operating Profit	45.39%	-37.72%	-9.16%
Other Income/Expense, Net	$8.867M	$5.500M	$3.600M
YoY Change	-40.34%	52.78%	0.0%
Pretax Income	$64.66M	$9.800M	$79.90M
YoY Change	3198.98%	-87.73%	-10.12%
Income Tax	$6.243M	$25.20M	$16.80M
% Of Pretax Income	9.66%	257.14%	21.03%
Net Earnings	$54.43M	-$9.106M	$61.98M
YoY Change	-1061.56%	-114.69%	-9.56%
Net Earnings / Revenue	2.96%	-2.4%	10.26%
Basic Earnings Per Share	$0.65	-$0.11	$0.75
Diluted Earnings Per Share	$0.65	-$0.11	$0.74
COMMON SHARES
Basic Shares Outstanding	83.60M shares	82.91M shares	82.39M shares
Diluted Shares Outstanding	84.33M shares

Balance Sheet

Concept	2021	2020 Q2	2019 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$154.0M	$606.7M	$182.0M
YoY Change	-74.61%	233.35%	-67.28%
Cash & Equivalents	$154.0M	$606.7M	$182.0M
Short-Term Investments
Other Short-Term Assets	$71.47M	$73.70M	$57.38M
YoY Change	-3.03%	28.44%	-9.29%
Inventory	$476.3M	$522.4M	$571.6M
Prepaid Expenses
Receivables	$302.9M	$238.0M	$379.9M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.005B	$1.441B	$1.191B
YoY Change	-30.26%	20.99%	-22.98%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.105B	$1.038B	$934.9M
YoY Change	1.77%	11.06%	13.43%
Goodwill		$270.6M	$300.0M
YoY Change		-9.81%	-0.59%
Intangibles		$132.6M	$161.0M
YoY Change		-17.66%	-8.77%
Long-Term Investments
YoY Change
Other Assets	$157.8M	$17.43M	$17.45M
YoY Change	47.08%	-0.13%	-0.46%
Total Long-Term Assets	$1.661B	$1.597B	$1.465B
YoY Change	4.02%	8.96%	6.22%
TOTAL ASSETS
Total Short-Term Assets	$1.005B	$1.441B	$1.191B
Total Long-Term Assets	$1.661B	$1.597B	$1.465B
Total Assets	$2.666B	$3.038B	$2.656B
YoY Change	-12.24%	14.36%	-9.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$177.7M	$164.6M	$212.9M
YoY Change	7.93%	-22.67%	-4.05%
Accrued Expenses	$166.2M	$47.61M	$76.62M
YoY Change	21.82%	-37.86%	-19.55%
Deferred Revenue
YoY Change
Short-Term Debt	$8.365M	$500.4M	$200.0K
YoY Change	-98.33%	250100.0%	-77.78%
Long-Term Debt Due			$0.00
YoY Change			-100.0%
Total Short-Term Liabilities	$437.4M	$898.1M	$461.7M
YoY Change	-51.3%	94.5%	-47.92%
LONG-TERM LIABILITIES
Long-Term Debt	$592.1M	$594.1M	$592.5M
YoY Change	-0.34%	0.27%	0.17%
Other Long-Term Liabilities	$244.3M	$34.43M	$21.00M
YoY Change	-4.1%	63.94%	-14.67%
Total Long-Term Liabilities	$836.5M	$34.43M	$21.00M
YoY Change	-1.47%	63.94%	-14.67%
TOTAL LIABILITIES
Total Short-Term Liabilities	$437.4M	$898.1M	$461.7M
Total Long-Term Liabilities	$836.5M	$34.43M	$21.00M
Total Liabilities	$1.336B	$1.769B	$1.282B
YoY Change	-26.09%	38.02%	-24.41%
SHAREHOLDERS EQUITY
Retained Earnings		$1.005B	$1.077B
YoY Change		-6.68%	19.56%
Common Stock		$642.2M	$631.9M
YoY Change		1.64%	2.91%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.330B	$1.230B	$1.335B
YoY Change
Total Liabilities & Shareholders Equity	$2.666B	$3.038B	$2.656B
YoY Change	-12.24%	14.36%	-9.21%

Cashflow Statement

Concept	2021	2020 Q2	2019 Q2
OPERATING ACTIVITIES
Net Income	$54.43M	-$9.106M	$61.98M
YoY Change	-1061.56%	-114.69%	-9.56%
Depreciation, Depletion And Amortization	$126.5M	$30.30M	$29.10M
YoY Change	5.53%	4.12%	5.05%
Cash From Operating Activities	$235.7M	$77.60M	$143.0M
YoY Change	5.34%	-45.73%	19.77%
INVESTING ACTIVITIES
Capital Expenditures	$127.3M	-$38.10M	-$66.40M
YoY Change	-47.86%	-42.62%	1.53%
Acquisitions
YoY Change
Other Investing Activities	$47.00K	-$100.0K	$7.700M
YoY Change	-93.79%	-101.3%	-33.62%
Cash From Investing Activities	-$123.0M	-$38.10M	-$58.80M
YoY Change	-43.68%	-35.2%	9.29%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$197.0K
YoY Change	-5.74%
Debt Paid & Issued, Net	$300.0M
YoY Change
Cash From Financing Activities	-$574.2M	479.5M	-15.00M
YoY Change	-234.97%	-3296.67%	-105.39%
NET CHANGE
Cash From Operating Activities	$235.7M	77.60M	143.0M
Cash From Investing Activities	-$123.0M	-38.10M	-58.80M
Cash From Financing Activities	-$574.2M	479.5M	-15.00M
Net Change In Cash	-$452.6M	519.0M	69.20M
YoY Change	-206.59%	650.0%	-79.89%
FREE CASH FLOW
Cash From Operating Activities	$235.7M	$77.60M	$143.0M
Capital Expenditures	$127.3M	-$38.10M	-$66.40M
Free Cash Flow	$108.4M	$115.7M	$209.4M
YoY Change	-630.94%	-44.75%	13.31%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000055242
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Local Phone Number LocalPhoneNumber	248-8000
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	kmt	Maximum Period Of Achievement Of Performance Goals To Earn Performance Units MaximumPeriodOfAchievementOfPerformanceGoalsToEarnPerformanceUnits	P3Y
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-5318
CY2021	dei	Entity Registrant Name EntityRegistrantName	KENNAMETAL INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	25-0900168
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	525 William Penn Place
CY2021	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 3300
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Pittsburgh,
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	15219
CY2021	dei	City Area Code CityAreaCode	412
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2020Q4	dei	Entity Public Float EntityPublicFloat	1867500000	USD
CY2021Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	83615430	shares
CY2021	us-gaap	Revenues Revenues	1841441000	USD
CY2020	us-gaap	Revenues Revenues	1885305000	USD
CY2019	us-gaap	Revenues Revenues	2375234000	USD
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1288963000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1355834000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1543738000	USD
CY2021	us-gaap	Gross Profit GrossProfit	552478000	USD
CY2020	us-gaap	Gross Profit GrossProfit	529471000	USD
CY2019	us-gaap	Gross Profit GrossProfit	831496000	USD
CY2021	us-gaap	Operating Expenses OperatingExpenses	407246000	USD
CY2020	us-gaap	Operating Expenses OperatingExpenses	388436000	USD
CY2019	us-gaap	Operating Expenses OperatingExpenses	474151000	USD
CY2021	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	29061000	USD
CY2020	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	68228000	USD
CY2019	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	14084000	USD
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	30227000	USD
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	6517000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14003000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13811000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14411000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	102168000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	22252000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	328850000	USD
CY2021	us-gaap	Interest Expense InterestExpense	46375000	USD
CY2020	us-gaap	Interest Expense InterestExpense	35154000	USD
CY2019	us-gaap	Interest Expense InterestExpense	32994000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8867000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	14862000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	15379000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	64660000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1960000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	311235000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6243000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7007000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63359000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	58417000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-5047000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	247876000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3983000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	614000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5951000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	54434000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-5661000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	241925000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.94
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.65
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.90
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	83602000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	83047000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	82379000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	84333000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	83047000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	83291000	shares
CY2021	us-gaap	Profit Loss ProfitLoss	58417000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-582000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-5047000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	247876000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	9255000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	197000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	401000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-679000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1348000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	9107000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-18299000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-39639000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-10355000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-7935000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-5124000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	60528000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-35891000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-20785000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	88844000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-46158000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-53755000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	147261000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-51205000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	194121000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5910000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-1846000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5414000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	141351000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-49359000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	188707000	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	154047000	USD
CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	606684000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	9734000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	9430000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	302945000	USD
CY2020Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	237983000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	476345000	USD
CY2020Q2	us-gaap	Inventory Net InventoryNet	522447000	USD
CY2021Q2	us-gaap	Other Assets Current OtherAssetsCurrent	71470000	USD
CY2020Q2	us-gaap	Other Assets Current OtherAssetsCurrent	73698000	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	1004807000	USD
CY2020Q2	us-gaap	Assets Current AssetsCurrent	1440812000	USD
CY2021Q2	kmt	Land And Buildings Gross LandAndBuildingsGross	413865000	USD
CY2020Q2	kmt	Land And Buildings Gross LandAndBuildingsGross	360256000	USD
CY2021Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	1959176000	USD
CY2020Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	1913967000	USD
CY2021Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1317906000	USD
CY2020Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1235952000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1055135000	USD
CY2020Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1038271000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	277615000	USD
CY2020Q2	us-gaap	Goodwill Goodwill	270580000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	153972000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	137386000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	120041000	USD
CY2020Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	132568000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	50341000	USD
CY2020Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	48035000	USD
CY2021Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	58742000	USD
CY2020Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	46782000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	89233000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	43116000	USD
CY2021Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	9847000	USD
CY2020Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	17427000	USD
CY2021Q2	us-gaap	Other Assets OtherAssets	605819000	USD
CY2020Q2	us-gaap	Other Assets OtherAssets	558508000	USD
CY2021Q2	us-gaap	Assets Assets	2665761000	USD
CY2020Q2	us-gaap	Assets Assets	3037591000	USD
CY2021Q2	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	8365000	USD
CY2020Q2	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	500368000	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	14220000	USD
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CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-8645000	USD
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CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	300000000	USD
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CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	209000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	214000	USD
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CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	65746000	USD
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CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2762000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	161000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-574245000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	425451000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-471432000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	8902000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-6184000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1744000	USD
CY2021	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-452637000	USD
CY2020	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	424669000	USD
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CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	606684000	USD
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	182015000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	556153000	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	154047000	USD
CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	606684000	USD
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	182015000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.80
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1368205000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1268788000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1374704000	USD
CY2021	us-gaap	Nature Of Operations NatureOfOperations	NATURE OF OPERATIONS<div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">With more than 80 years of materials expertise, the Company is a global industrial technology leader, helping customers across the aerospace, earthworks, energy, general engineering and transportation end markets manufacture with precision and efficiency. This expertise includes the development and application of tungsten carbides, ceramics, super-hard materials and solutions used in metal cutting and extreme wear applications to keep customers up and running longer against conditions such as corrosion and high temperatures.</span></div><div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our standard and custom product offering spans metal cutting and wear applications including turning, milling, hole making, tooling systems and services, as well as specialized wear components and metallurgical powders. End users of the Company's metal cutting products include manufacturers engaged in a diverse array of industries including: the manufacturers of transportation vehicles and components, machine tools and light and heavy machinery; airframe and aerospace components; and energy-related components for the oil and gas industry, as well as power generation. The Company’s wear and metallurgical powders are used by producers and suppliers in equipment-intensive operations such as road construction, mining, quarrying, and oil and gas exploration, refining, production and supply.</span></div><div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Unless otherwise specified, any reference to a “year” is to a fiscal year ended June 30. When used in this Annual Report on Form 10-K, unless the context requires otherwise, the terms “we,” “our” and “us” refer to Kennametal Inc. and its subsidiaries.</span></div>
CY2021	us-gaap	Use Of Estimates UseOfEstimates	USE OF ESTIMATES IN THE PREPARATION OF FINANCIAL STATEMENTS In preparing our consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (U.S. GAAP), we make judgments and estimates about the amounts reflected in our consolidated financial statements. As part of our financial reporting process, our management collaborates to determine the necessary information on which to base our judgments and develop estimates used to prepare the consolidated financial statements. We use historical experience and available information to make these judgments and estimates. However, different amounts could be reported using different assumptions and in light of different facts and circumstances. Therefore, actual amounts could differ from the estimates reflected in our consolidated financial statements.
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	83602000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	82379000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	731000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	912000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	84333000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	83291000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	295000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	427000	shares
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CY2021	kmt	Exercisable Period For Capital Stock Options ExercisablePeriodForCapitalStockOptions	10 years
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	39500000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	38700000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	39000000.0	USD
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3300000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3400000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	2700000	USD
CY2019	kmt	Changeinaccountspayablerelatedtopurchasesofpropertyplantandequipment Changeinaccountspayablerelatedtopurchasesofpropertyplantandequipment	-15500000	USD
CY2021	kmt	Changes In Notes Payable Related To Purchases Of Property Plant And Equipment ChangesInNotesPayableRelatedToPurchasesOfPropertyPlantAndEquipment	7254000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	43601000	USD
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CY2020	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	24000000.0	USD
CY2020	kmt	Disposition Of Businesses Net Book Value Of Assets At Closing DispositionOfBusinessesNetBookValueOfAssetsAtClosing	29500000	USD
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	6500000	USD
CY2021Q2	us-gaap	Derivative Assets DerivativeAssets	36000	USD
CY2021Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	36000	USD
CY2021Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	87000	USD
CY2021Q2	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	87000	USD
CY2020Q2	us-gaap	Derivative Assets DerivativeAssets	36000	USD
CY2020Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	36000	USD
CY2020Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	2139000	USD
CY2020Q2	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	2139000	USD
CY2019Q2	us-gaap	Goodwill Gross GoodwillGross	1084064000	USD
CY2019Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	784053000	USD
CY2021Q2	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-51000	USD
CY2020Q2	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-2103000	USD
CY2021	us-gaap	Proceeds From Derivative Instrument Financing Activities ProceedsFromDerivativeInstrumentFinancingActivities	10200000	USD
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CY2021Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	302524000	USD
CY2020Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	318071000	USD
CY2021Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	173671000	USD
CY2020Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	190041000	USD
CY2021Q2	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	72551000	USD
CY2020Q2	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	75589000	USD
CY2021Q2	us-gaap	Inventory Gross InventoryGross	548746000	USD
CY2020Q2	us-gaap	Inventory Gross InventoryGross	583701000	USD
CY2021Q2	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	72401000	USD
CY2020Q2	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	61254000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	476345000	USD
CY2020Q2	us-gaap	Inventory Net InventoryNet	522447000	USD
CY2021Q2	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.39
CY2020Q2	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.43
CY2019Q4	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	14600000	USD
CY2020Q1	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	15600000	USD
CY2019Q2	us-gaap	Goodwill Goodwill	300011000	USD
CY2020	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	-2612000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	26819000	USD
CY2020Q2	us-gaap	Goodwill Gross GoodwillGross	1081452000	USD
CY2020Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	810872000	USD
CY2020Q2	us-gaap	Goodwill Goodwill	270580000	USD
CY2021	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	7035000	USD
CY2021Q2	us-gaap	Goodwill Gross GoodwillGross	1088487000	USD
CY2021Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	810872000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	277615000	USD
CY2021Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	274013000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	153972000	USD
CY2020Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	269954000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	137386000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14000000.0	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13800000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14400000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	12500000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	12300000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	11100000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9900000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	9500000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2400000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	6400000	USD
CY2021	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	20200000	USD
CY2020	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	22600000	USD
CY2019	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	26600000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2020Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y7M6D
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.033
CY2020Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.033
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	17651000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	15635000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	17235000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	16171000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	15062000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	11466000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	7993000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	5346000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	2983000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	15840000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	58690000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7670000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	51020000	USD
CY2021Q2	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	51783000	USD
CY2020Q2	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	20194000	USD
CY2021Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	19851000	USD
CY2020Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	34910000	USD
CY2021Q2	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	8428000	USD
CY2020Q2	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	7724000	USD
CY2021Q2	us-gaap	Accrued Payroll Taxes Current AccruedPayrollTaxesCurrent	6873000	USD
CY2020Q2	us-gaap	Accrued Payroll Taxes Current AccruedPayrollTaxesCurrent	5053000	USD
CY2021Q2	us-gaap	Interest Payable Current InterestPayableCurrent	3520000	USD
CY2020Q2	us-gaap	Interest Payable Current InterestPayableCurrent	7630000	USD
CY2021Q2	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	67147000	USD
CY2020Q2	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	68766000	USD
CY2021Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	157602000	USD
CY2020Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	144277000	USD
CY2021Q2	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	598306000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	598204000	USD
CY2021Q2	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	6198000	USD
CY2020Q2	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	4121000	USD
CY2021Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	592108000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	594083000	USD
CY2021	us-gaap	Proceeds From Derivative Instrument Financing Activities ProceedsFromDerivativeInstrumentFinancingActivities	10200000	USD
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	9600000	USD
CY2021Q2	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	644200000	USD
CY2020Q2	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	630200000	USD
CY2021Q2	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	8400000	USD
CY2020Q2	us-gaap	Notes Payable NotesPayable	400000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-60775000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-76107000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	60756000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	125435000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	78067000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	250479000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	64660000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1960000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	311235000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	39000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-3558000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5679000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	133000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	905000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	321000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	30726000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	33559000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	54553000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	30898000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	30906000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	60553000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-23170000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-9113000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3606000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2948000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	724000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	45000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	1463000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-15510000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	6367000	USD
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-24655000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-23899000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	2806000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6243000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7007000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63359000	USD
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.097
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	3.575
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.204
CY2021	kmt	Cares Act Period Of Preceding Taxable Years For Net Operating Loss Carryback CARESActPeriodOfPrecedingTaxableYearsForNetOperatingLossCarryback	5	Segment
CY2021	kmt	Cares Act Percent Of Taxable Income Permitted To Be Offset By Net Operating Loss Carryovers And Carrybacks CARESActPercentOfTaxableIncomePermittedToBeOffsetByNetOperatingLossCarryoversAndCarrybacks	1	USD
CY2021Q2	kmt	Allowable Business Interest Deduction Percent Before Cares Act AllowableBusinessInterestDeductionPercentBeforeCARESAct	0.30	USD
CY2021Q2	kmt	Allowable Business Interest Deduction Percent After Cares Act AllowableBusinessInterestDeductionPercentAfterCARESAct	0.50	USD
CY2020	kmt	Discrete Benefit For Swiss Tax Reform DiscreteBenefitForSwissTaxReform	-14500000	USD
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	13579000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	412000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	65359000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1725000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1283000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	289000	USD
CY2021	kmt	Us Income Tax Provided On International Income UsIncomeTaxProvidedOnInternationalIncome	-6479000	USD
CY2020	kmt	Us Income Tax Provided On International Income UsIncomeTaxProvidedOnInternationalIncome	12422000	USD
CY2019	kmt	Us Income Tax Provided On International Income UsIncomeTaxProvidedOnInternationalIncome	7347000	USD
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	5860000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	10583000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	162000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	5651000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1127000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	755000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-1473000	USD
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	3055000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	4093000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	3911000	USD
CY2021	kmt	Reconciliation Of Income Taxes Change In Indefinite Reinvestment Assertion ReconciliationOfIncomeTaxesChangeInIndefiniteReinvestmentAssertion	0	USD
CY2020	kmt	Reconciliation Of Income Taxes Change In Indefinite Reinvestment Assertion ReconciliationOfIncomeTaxesChangeInIndefiniteReinvestmentAssertion	0	USD
CY2019	kmt	Reconciliation Of Income Taxes Change In Indefinite Reinvestment Assertion ReconciliationOfIncomeTaxesChangeInIndefiniteReinvestmentAssertion	6093000	USD
CY2021	kmt	Effectiveincometaxratereconciliation Combinedeffectsoftaxreform Amount EffectiveincometaxratereconciliationCombinedeffectsoftaxreformAmount	0	USD
CY2020	kmt	Effectiveincometaxratereconciliation Combinedeffectsoftaxreform Amount EffectiveincometaxratereconciliationCombinedeffectsoftaxreformAmount	0	USD
CY2019	kmt	Effectiveincometaxratereconciliation Combinedeffectsoftaxreform Amount EffectiveincometaxratereconciliationCombinedeffectsoftaxreformAmount	-9280000	USD
CY2020	kmt	Discrete Benefit For Swiss Tax Reform DiscreteBenefitForSwissTaxReform	-14500000	USD
CY2020	kmt	Effective Income Tax Rate Reconciliation Combined Effects Of Uscares Act Amount EffectiveIncomeTaxRateReconciliationCombinedEffectsOfUSCARESActAmount	-6913000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-3465000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	401000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1407000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1227000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6243000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7007000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63359000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-3500000	USD
CY2019	kmt	Effectiveincometaxratereconciliation Combinedeffectsoftaxreform Amount EffectiveincometaxratereconciliationCombinedeffectsoftaxreformAmount	-9300000	USD
CY2020	kmt	Discrete Benefit For Swiss Tax Reform DiscreteBenefitForSwissTaxReform	-14500000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	5300000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	44258000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	31891000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	11068000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	8220000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	7136000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	19608000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	3486000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	4110000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	11168000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	11650000	USD
CY2021Q2	kmt	Deferred Tax Asset Tax Deferred Expense Operating Lease Liabilities DeferredTaxAssetTaxDeferredExpenseOperatingLeaseLiabilities	12652000	USD
CY2020Q2	kmt	Deferred Tax Asset Tax Deferred Expense Operating Lease Liabilities DeferredTaxAssetTaxDeferredExpenseOperatingLeaseLiabilities	11889000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	15596000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	7310000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	32490000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	21048000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	7784000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	10531000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	364000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	145638000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	126621000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	21263000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	16654000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	124375000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	109967000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	63020000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	67411000	USD
CY2021Q2	kmt	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	12502000	USD
CY2020Q2	kmt	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	11715000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	6429000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	5855000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	7392000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	89343000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	84981000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	35032000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	24986000	USD
CY2021Q2	kmt	Deferred Tax Assets No Ls Tax Credits And Other Carryforwards DeferredTaxAssetsNOLsTaxCreditsAndOtherCarryforwards	57000000.0	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	32500000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	44300000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	21300000	USD
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	4600000	USD
CY2020Q2	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	1500000000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	6400000	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	8680000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	8952000	USD
CY2018Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5775000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	7384000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3765000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	229000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	214000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	324000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	205000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	58000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	118000	USD
CY2021Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	8656000	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	8680000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	8952000	USD
CY2021Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	8700000	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	8700000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	9000000.0	USD
CY2021Q2	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	5300000	USD
CY2021	kmt	Unrecognized Tax Benefits Reduction In Interest On Income Taxes Expense UnrecognizedTaxBenefitsReductionInInterestOnIncomeTaxesExpense	-200000	USD
CY2019	kmt	Unrecognized Tax Benefits Reduction In Interest On Income Taxes Expense UnrecognizedTaxBenefitsReductionInInterestOnIncomeTaxesExpense	400000	USD
CY2020	kmt	Unrecognized Tax Benefits Reduction In Interest On Income Taxes Expense UnrecognizedTaxBenefitsReductionInInterestOnIncomeTaxesExpense	-1000000.0	USD
CY2021Q2	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1400000	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1200000	USD
CY2021Q2	us-gaap	Income Tax Examination Penalties Accrued IncomeTaxExaminationPenaltiesAccrued	0	USD
CY2020Q2	us-gaap	Income Tax Examination Penalties Accrued IncomeTaxExaminationPenaltiesAccrued	500000	USD
CY2021	kmt	Eligible Age For Availing Postretirement Healthcare Benefits EligibleAgeForAvailingPostretirementHealthcareBenefits	65
CY2021	kmt	Defined Benefit Plan Non Cash Settlement Charge DefinedBenefitPlanNonCashSettlementCharge	2800000	USD
CY2021	kmt	Defined Benefit Plan Plan Assets Increase Decrease For Other Adjustments DefinedBenefitPlanPlanAssetsIncreaseDecreaseForOtherAdjustments	149000	USD
CY2021	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-13700000	USD
CY2020	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-15600000	USD
CY2019	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-14300000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.065
CY2020Q2	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.068
CY2019Q2	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.070
CY2021Q2	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.050
CY2020Q2	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.050
CY2019Q2	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.050
CY2021	us-gaap	Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate	2027
CY2020	us-gaap	Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate	2027
CY2019	us-gaap	Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate	2027
CY2021Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	890104000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	876036000	USD
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	13300000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	14700000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16300000	USD
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CY2021	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	3009000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	9255000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-4058000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-4459000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	401000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	11901000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-2794000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	9107000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-13765000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-3410000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-10355000	USD
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	61038000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-510000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	60528000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	103026000	USD
CY2021	kmt	Restructuring Charges Related To Inventory Disposals RestructuringChargesRelatedToInventoryDisposals	500000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-14182000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	88844000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-771000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	189000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-582000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-899000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-220000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-679000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-23999000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	5700000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-18299000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-10478000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-2543000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-7935000	USD
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-35936000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	45000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-35891000	USD
CY2021	us-gaap	Restructuring Charges RestructuringCharges	29600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	96000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-20785000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-63969000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	10214000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-53755000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-49329000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	3171000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-46158000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	261000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-64000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	197000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-1785000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-437000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1348000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-52087000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	12448000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-39639000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-6953000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-1829000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-5124000	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-20881000	USD
CY2020	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	83300000	USD
CY2021	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	40400000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	69200000	USD
CY2020	kmt	Restructuring Charges Related To Inventory Disposals RestructuringChargesRelatedToInventoryDisposals	900000	USD
CY2019	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	16900000	USD
CY2019	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	-4800000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	19500000	USD
CY2019	kmt	Restructuring Charges Related To Inventory Disposals RestructuringChargesRelatedToInventoryDisposals	700000	USD
CY2021Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	19900000	USD
CY2021Q2	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	9900000	USD
CY2020Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	34900000	USD
CY2020Q2	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	12500000	USD
CY2021Q2	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	644200000	USD
CY2020Q2	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	630200000	USD
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	642000	USD
CY2021Q2	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	14700000	USD
CY2021	kmt	Sales Toa Single Customer Did Not Aggregate More Than SalesToaSingleCustomerDidNotAggregateMoreThan	0.05
CY2021Q2	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	2600000	USD
CY2020Q2	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	15600000	USD
CY2020Q2	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	6100000	USD
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	Segment
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	646959	shares
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.60
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	280274	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	27.10
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	51673	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	43.01
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	315012	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	37.83
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y7M6D
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	642000	USD
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	315012	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	37.83
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P2Y7M6D
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	642000	USD
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	315012	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	37.83
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P2Y7M6D
CY2021	us-gaap	Revenues Revenues	1841441000	USD
CY2020	us-gaap	Revenues Revenues	1885305000	USD
CY2019	us-gaap	Revenues Revenues	2375234000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	102168000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	22252000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	328850000	USD
CY2021	us-gaap	Interest Expense InterestExpense	46375000	USD
CY2020	us-gaap	Interest Expense InterestExpense	35154000	USD
CY2019	us-gaap	Interest Expense InterestExpense	32994000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8867000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	14862000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	15379000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	64660000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1960000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	311235000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	126488000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	119860000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	112052000	USD
CY2021Q2	us-gaap	Assets Assets	2665761000	USD
CY2020Q2	us-gaap	Assets Assets	3037591000	USD
CY2019Q2	us-gaap	Assets Assets	2656269000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	127302000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	244151000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	212343000	USD
CY2021	us-gaap	Revenues Revenues	1841441000	USD
CY2020	us-gaap	Revenues Revenues	1885305000	USD
CY2019	us-gaap	Revenues Revenues	2375234000	USD
CY2021Q2	us-gaap	Noncurrent Assets NoncurrentAssets	1055135000	USD
CY2020Q2	us-gaap	Noncurrent Assets NoncurrentAssets	1038271000	USD
CY2019Q2	us-gaap	Noncurrent Assets NoncurrentAssets	934895000	USD
CY2021Q2	kmt	Numberofcountriesin Other NumberofcountriesinOther	27
CY2021	kmt	Salesfrom Othercountrydidnotexceed SalesfromOthercountrydidnotexceed	0.02
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1055100000	USD
CY2020Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1038300000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	934900000	USD

Files In Submission

Name	View Source	Status
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0000055242-21-000042-index.html	Edgar Link	pending
0000055242-21-000042.txt	Edgar Link	pending
0000055242-21-000042-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
kmt-20210630.htm	Edgar Link	pending
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$KMT
KENNAMETAL INC Stock $kmt

2021 Form 10-K Financial Statement

#000005524221000042 Filed on August 10, 2021

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$KMT KENNAMETAL INC Stock $kmt

2021 Form 10-K Financial Statement

#000005524221000042 Filed on August 10, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KMT
KENNAMETAL INC Stock $kmt