XML 64 R54.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Long-Term Debt (Details) - USD ($) $ in Millions | Apr. 15, 2016 | Mar. 31, 2016 | Jun. 30, 2015 | Oct. 21, 2011
--- | --- | --- | --- | ---
Long-Term Debt (Additional Textual) [Abstract] |  |  |  |
Fixed rate at fair market value |  | $ 665.0 | $ 698.0 |
2011 Credit Agreement [Member] |  |  |  |
Long-Term Debt (Textual) [Abstract] |  |  |  |
Borrowing outstanding under 2011 Credit Agreement |  | $ 0.0 | $ 42.8 |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 600.0
Subsequent Event [Member] | 2011 Credit Agreement [Member] |  |  |  |
Long-Term Debt (Textual) [Abstract] |  |  |  |
Cash Restructuring Add-Back to EBITDA | $ 120.0 |  |  |

X
- Definition Cash Restructuring Add-Back to EBITDA + References No definition available. + Details
Name: | kmt_CashRestructuringAddBacktoEBITDA
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 Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13476-108611 + 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://www.xbrl.org/2003/role/presentationRef -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=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
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
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=kmt_TwentyElevenCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |