XML 50 R63.htm IDEA: XBRL DOCUMENT
v3.19.3

Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019
The components of intangible assets |  |
Accumulated amortization | $ (153,788) | $ (158,507)
Intangible Assets, Gross (Excluding Goodwill) | 310,496 | 319,505
Trademarks [Member] |  |
The components of intangible assets |  |
Gross carrying amount, Indefinite | 14,389 | 14,545
Contractual Rights [Member] |  |
The components of intangible assets |  |
Gross carrying amount, finite | 0 | 7,062
Accumulated amortization | 0 | (7,062)
Technology-based and other [Member] |  |
The components of intangible assets |  |
Gross carrying amount, finite | 45,992 | 46,228
Accumulated amortization | (32,085) | (31,890)
Customer-related [Member] |  |
The components of intangible assets |  |
Gross carrying amount, finite | 203,871 | 205,213
Accumulated amortization | (96,154) | (94,711)
Unpatented technology [Member] |  |
The components of intangible assets |  |
Gross carrying amount, finite | 31,549 | 31,702
Accumulated amortization | (15,972) | (15,492)
Trademarks [Member] |  |
The components of intangible assets |  |
Gross carrying amount, finite | 14,695 | 14,755
Accumulated amortization | $ (9,577) | $ (9,352)
Minimum [Member] | Contractual Rights [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 3 years |
Minimum [Member] | Technology-based and other [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 4 years |
Minimum [Member] | Customer-related [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 10 years |
Minimum [Member] | Unpatented technology [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 10 years |
Minimum [Member] | Trademarks [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 5 years |
Maximum [Member] | Contractual Rights [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 15 years |
Maximum [Member] | Technology-based and other [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 20 years |
Maximum [Member] | Customer-related [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 21 years |
Maximum [Member] | Unpatented technology [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 30 years |
Maximum [Member] | Trademarks [Member] |  |
The components of intangible assets |  |
Useful life related to technology-based intangible assets | 20 years |

X
- Definition The components of intangible assets. + References No definition available. + Details
Name: | kmt_ComponentsOfIntangibleAssetsAbstract
Namespace Prefix: | kmt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References No definition available. + Details
Name: | us-gaap_IntangibleAssetsGrossExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ContractualRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=kmt_TechnologyBasedAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_UnpatentedTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |