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Restructuring and Related Charges - Restructuring Accrual (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Restructuring Cost and Reserve [Line Items]
Document Period End Date	Sep. 30, 2019
Restructuring Reserve [Abstract]
Beginning Balance	$ 19,212
Restructuring Charges	4,678	$ 1,100
Asset Write-Down	(1,191)
Translation	(591)
Cash Expenditures	(4,712)
Ending Balance	17,396
Industrial [Member]
Restructuring Reserve [Abstract]
Beginning Balance	8,898
Restructuring Charges	3,083
Asset Write-Down	(1,049)
Translation	(345)
Cash Expenditures	(2,749)
Ending Balance	7,838
Industrial [Member] | Severance [Member]
Restructuring Reserve [Abstract]
Beginning Balance	8,863
Restructuring Charges	2,030
Asset Write-Down	0
Translation	(343)
Cash Expenditures	(2,742)
Ending Balance	7,808
Industrial [Member] | Facilities [Member]
Restructuring Reserve [Abstract]
Beginning Balance	0
Restructuring Charges	1,049
Asset Write-Down	(1,049)
Translation	0
Cash Expenditures	0
Ending Balance	0
Industrial [Member] | Other Restructuring [Member]
Restructuring Reserve [Abstract]
Beginning Balance	35
Restructuring Charges	4
Asset Write-Down	0
Translation	(2)
Cash Expenditures	(7)
Ending Balance	30
WIDIA [Member]
Restructuring Reserve [Abstract]
Beginning Balance	2,330
Restructuring Charges	140
Asset Write-Down	0
Translation	(24)
Cash Expenditures	(189)
Ending Balance	2,257
WIDIA [Member] | Severance [Member]
Restructuring Reserve [Abstract]
Beginning Balance	2,306
Restructuring Charges	140
Asset Write-Down	0
Translation	(24)
Cash Expenditures	(189)
Ending Balance	2,233
WIDIA [Member] | Facilities [Member]
Restructuring Reserve [Abstract]
Beginning Balance	0
Restructuring Charges	0
Asset Write-Down	0
Translation	0
Cash Expenditures	0
Ending Balance	0
WIDIA [Member] | Other Restructuring [Member]
Restructuring Reserve [Abstract]
Beginning Balance	24
Restructuring Charges	0
Asset Write-Down	0
Translation	0
Cash Expenditures	0
Ending Balance	24
Infrastructure [Member]
Restructuring Reserve [Abstract]
Beginning Balance	7,984
Restructuring Charges	1,455
Asset Write-Down	(142)
Translation	(222)
Cash Expenditures	(1,774)
Ending Balance	7,301
Infrastructure [Member] | Severance [Member]
Restructuring Reserve [Abstract]
Beginning Balance	7,956
Restructuring Charges	1,311
Asset Write-Down	0
Translation	(221)
Cash Expenditures	(1,770)
Ending Balance	7,276
Infrastructure [Member] | Facilities [Member]
Restructuring Reserve [Abstract]
Beginning Balance	0
Restructuring Charges	142
Asset Write-Down	(142)
Translation	0
Cash Expenditures	0
Ending Balance	0
Infrastructure [Member] | Other Restructuring [Member]
Restructuring Reserve [Abstract]
Beginning Balance	28
Restructuring Charges	2
Asset Write-Down	0
Translation	(1)
Cash Expenditures	(4)
Ending Balance	$ 25

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