XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.20.2

Long-Term Debt (Details) - USD ($) | Feb. 14, 2012 | Sep. 30, 2020 | Jun. 30, 2020 | Jun. 07, 2018
--- | --- | --- | --- | ---
Long-Term Debt (Additional Textual) [Abstract] |  |  |  |
Fixed rate at fair market value |  | $ 643,400,000 | $ 630,200,000 |
ThreePointEightSevenFivePercentSeniorUnsecuredNotesDueInTwoThousandAndTwentyTwo [Member] |  |  |  |
Long-Term Debt (Additional Textual) [Abstract] |  |  |  |
Proceeds from Issuance of Senior Long-term Debt | $ 300,000,000 |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 3.875% |  |
2018 Credit Agreement [Member] |  |  |  |
Long-Term Debt (Textual) [Abstract] |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 661,500,000 |  |
Borrowing outstanding under 2018 Credit Agreement |  | 38,500,000 | $ 500,000,000.0 |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 700,000,000.0
Line of Credit [Member] |  |  |  |
Long-Term Debt (Textual) [Abstract] |  |  |  |
Amended Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount |  | 120,000,000 |  |
Amended Net Debt to EBITDA Ratio, Maximum |  | 4.25 |  |
Consolidated Interest Coverage Ratio, Minimum |  | 3.5 |  |
Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount |  | 80,000,000 |  |
Net Debt to EBITDA Ratio, Maximum |  | 3.5 |  |
Net Debt to EBITDA Ratio, domestic cash allowed to net debt, amount, minimum |  | $ 25,000,000 |  |

X
- Definition Amended Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount + References No definition available. + Details
Name: | kmt_AmendedNetDebtToEBITDARatioAllowableAdjustmentForCashRestructuringChargesAmount
Namespace Prefix: | kmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amended Net Debt to EBITDA Ratio, Maximum + References No definition available. + Details
Name: | kmt_AmendedNetDebtToEBITDARatioMaximum
Namespace Prefix: | kmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Consolidated Interest Coverage Ratio, Minimum + References No definition available. + Details
Name: | kmt_ConsolidatedInterestCoverageRatioMinimum
Namespace Prefix: | kmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Long term debt and capital leases. + References No definition available. + Details
Name: | kmt_LongTermDebtAndCapitalLeasesAdditionalTextualAbstract
Namespace Prefix: | kmt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long term debt and capital leases. + References No definition available. + Details
Name: | kmt_LongTermDebtAndCapitalLeasesTextualAbstract
Namespace Prefix: | kmt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net Debt to EBITDA Ratio, Maximum + References No definition available. + Details
Name: | kmt_NetDebttoEBITDARatioMaximum
Namespace Prefix: | kmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Net Debt to EBITDA Ratio, allowable adjustment for cash restructuring charges, amount + References No definition available. + Details
Name: | kmt_NetDebttoEBITDARatioallowableadjustmentforcashrestructuringchargesamount
Namespace Prefix: | kmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Net Debt to EBITDA Ratio, domestic cash allowed to net debt, amount, minimum + References No definition available. + Details
Name: | kmt_NetDebttoEBITDARatiodomesticcashallowedtonetdebtamountminimum
Namespace Prefix: | kmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
Name: | us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
Name: | us-gaap_LongTermDebtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=kmt_ThreePointEightSevenFivePercentSeniorUnsecuredNotesDueInTwoThousandAndTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=kmt_TwentyEighteenCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |