Restructuring and Related Charges - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 9,600	$ 14,000	$ 53,100	$ 38,000
Restructuring Charges	7,100	7,500	44,486	20,100
Restructuring Charges Related to Inventory Disposals		400	300	100
Restructuring Reserve, Current	13,300		13,300		$ 15,700
Restructuring Reserve, Noncurrent	2,500		2,500
Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			25,440
Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			14,222
WIDIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			4,824
Ongoing Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	124,500		124,500
Ongoing Restructuring [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	165,000		165,000
Ongoing Restructuring [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 195,000		$ 195,000
Ongoing Restructuring [Member] | Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Percent	60.00%		60.00%
Restructuring and Related Cost, Cost Incurred to Date	$ 65,400		$ 65,400
Ongoing Restructuring [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Percent	30.00%		30.00%
Restructuring and Related Cost, Cost Incurred to Date	$ 40,700		$ 40,700
Ongoing Restructuring [Member] | WIDIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Percent	5.00%		5.00%
Restructuring and Related Cost, Cost Incurred to Date	$ 11,100		$ 11,100
Ongoing Restructuring [Member] | Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Percent	5.00%		5.00%
Restructuring and Related Cost, Cost Incurred to Date	$ 7,300		$ 7,300
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges Recorded in Cost of Goods Sold	1,700	1,100	5,800	4,700
Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges Recorded in Cost of Goods Sold	$ 800	$ 5,400	2,800	$ 13,200
Other Restructuring [Member] | Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			(30)
Other Restructuring [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			(15)
Other Restructuring [Member] | WIDIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ (6)