Restructuring and Related Charges - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 40,959,000		$ 40,959,000		$ 19,212,000
Restructuring and Related Cost, Incurred Cost	5,800,000	$ 3,700,000	65,100,000	$ 6,800,000
Restructuring Charges	1,800,000	2,600,000	54,512,000	5,300,000
Restructuring Charges Related to Inventory Disposals	200,000		600,000	200,000
Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	32,141,000		32,141,000		8,898,000
Restructuring Charges			51,316,000
Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	6,495,000		6,495,000		7,984,000
Restructuring Charges			2,813,000
WIDIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	2,323,000		2,323,000		2,330,000
Restructuring Charges			383,000
FY20 Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	50,000,000.0		50,000,000.0
FY20 Restructuring Actions [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	55,000,000		55,000,000
FY20 Restructuring Actions [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	60,000,000		60,000,000
FY20 Restructuring Actions [Member] | Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	0.80		0.80
Restructuring and Related Cost, Cost Incurred to Date	40,600,000		40,600,000
FY20 Restructuring Actions [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	0.15		0.15
Restructuring and Related Cost, Cost Incurred to Date	7,200,000		7,200,000
FY20 Restructuring Actions [Member] | WIDIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	0.05		0.05
Restructuring and Related Cost, Cost Incurred to Date	2,200,000		2,200,000
FY21 Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	28,800,000		28,800,000
FY21 Restructuring Actions [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	55,000,000		55,000,000
FY21 Restructuring Actions [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	65,000,000		65,000,000
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges Recorded in Cost of Goods Sold or Operating Expense	4,000,000.0	900,000	10,600,000	1,400,000
Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges Recorded in Cost of Goods Sold or Operating Expense		$ 100,000		$ 100,000
Other Restructuring [Member] | Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	16,000		16,000		35,000
Restructuring Charges			4,000
Other Restructuring [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	24,000		24,000		28,000
Restructuring Charges			2,000
Other Restructuring [Member] | WIDIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	24,000		24,000		$ 24,000
Restructuring Charges			0
Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	24,700,000		24,700,000
Other Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 16,200,000		$ 16,200,000