Restructuring and Related Charges - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 3,700	$ 1,700	$ 6,800	$ 10,000
Restructuring Charges	2,600	1,100	5,287	6,700
Restructuring Charges Related to Inventory Disposals	200	(200)	200	(200)
Restructuring Reserve, Current					$ 17,500
Restructuring Reserve, Noncurrent					$ 100
Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			2,283
Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			2,233
WIDIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			771
Simplification [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	17,400		17,400
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges Recorded in Cost of Goods Sold or Operating Expense	900		1,400	$ 3,300
Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges Recorded in Cost of Goods Sold or Operating Expense	$ 100	$ (300)	100
Other Restructuring [Member] | Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			22
Other Restructuring [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			32
Other Restructuring [Member] | WIDIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 7