XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Derivative Instruments and Hedging Activities (Details Textual) € in Thousands, $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2017 USD ($) | Mar. 31, 2017 EUR (€) | Mar. 31, 2017 USD ($) | Jun. 30, 2016 USD ($)
Derivative Instruments and Hedging Activities (Textual) [Abstract] |  |  |  |
Recognize loss on outstanding derivatives in the next 12 months |  |  | $ 600 |
Gains or losses recognized in earnings due to ineffectiveness and excluded from effectiveness testing | $ 0 |  |  |
Net Investment Hedge Maturing on June 30, 2017 [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, Notional Amount |  | € 30,046 | 32,083 |
Cash Flow Hedging [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, Notional Amount |  |  | 66,200 | $ 53,300
Net Investment Hedging [Member] |  |  |  |
Additional Derivative Instruments and Hedging Activities (Textual) [Abstract] |  |  |  |
Derivative, Amount of Hedged Item | € |  | 63,000 |  |
Net Investment Hedge Maturing on June 26, 2022 [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, Notional Amount |  | 26,327 | 28,112 |
Net Investment Hedge Maturing on November 20, 2018 [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, Notional Amount |  | 8,612 | 9,196 |
Net Investment Hedge Maturing on October 11, 2017 [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative, Notional Amount |  | € 2,032 | $ 2,169 |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Additional derivative instruments and hedging activities. + References No definition available. + Details
Name: | kmt_AdditionalDerivativeInstrumentsAndHedgingActivitiesTextualAbstract
Namespace Prefix: | kmt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Derivative instruments and hedging activities. + References No definition available. + Details
Name: | kmt_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract
Namespace Prefix: | kmt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeAmountOfHedgedItem
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1),(2) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
Name: | us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
Name: | us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kmt_NetInvestmentHedgeMaturingonJune302017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_NetInvestmentHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kmt_NetInvestmentHedgeMaturingonJune262022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kmt_NetInvestmentHedgeMaturingonNovember202018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kmt_NetInvestmentHedgeMaturingonOctober112017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |