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Goodwill and Other Intangible Assets Other Intangible Assets (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Finite-Lived Intangible Assets, Accumulated Amortization			$ (137,386,000)	$ (158,507,000)
Intangible Assets, Gross (Excluding Goodwill)			269,954,000	319,505,000
Goodwill and other intangible assets impairments	$ 15,600,000	$ 14,600,000	30,227,000
Goodwill, Impairment Loss			26,819,000
Contractual Rights [Member]
Finite-Lived Intangible Assets, Gross			0	7,062,000
Finite-Lived Intangible Assets, Accumulated Amortization			0	(7,062,000)
Technology-Based and other [Member]
Finite-Lived Intangible Assets, Gross			32,713,000	46,228,000
Finite-Lived Intangible Assets, Accumulated Amortization			(22,612,000)	(31,890,000)
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross			181,408,000	205,213,000
Finite-Lived Intangible Assets, Accumulated Amortization			(88,112,000)	(94,711,000)
Unpatented Technology [Member]
Finite-Lived Intangible Assets, Gross			31,586,000	31,702,000
Finite-Lived Intangible Assets, Accumulated Amortization			(17,890,000)	(15,492,000)
Trademarks [Member]
Finite-Lived Intangible Assets, Gross			13,087,000	14,755,000
Finite-Lived Intangible Assets, Accumulated Amortization			(8,772,000)	(9,352,000)
Trademarks [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill)			11,160,000	$ 14,545,000
WIDIA [Member]
Goodwill, Impairment Loss	13,700,000	13,100,000	(26,819,000)
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 1,900,000	$ 1,500,000
WIDIA [Member] | Trademarks [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill)			$ 11,200,000

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

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- 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
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-Section 50
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Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

+ References

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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