Restructuring and Related Charges - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 53,096		$ 53,096		$ 47,366
Restructuring and Related Cost, Incurred Cost	4,200	$ 51,300	32,900	$ 59,300
Restructuring Charges	1,800	48,000	27,377	52,700
Restructuring Charges Related to Inventory Disposals	400	300	400	300
Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	700		3,300
Metal Cutting
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	3,500		29,500
FY20 Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	54,800		54,800
FY20 Restructuring Actions [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	8,300		8,300
FY20 Restructuring Actions [Member] | Metal Cutting
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	46,500		46,500
FY21 Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	74,700		74,700
FY21 Restructuring Actions [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	90,000		90,000
FY21 Restructuring Actions [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	100,000		100,000
FY21 Restructuring Actions [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	6,200		6,200
FY21 Restructuring Actions [Member] | Metal Cutting
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	68,500		68,500
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges Recorded in Cost of Goods Sold or Operating Expense	2,400	$ 3,300	5,500	$ 6,600
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0		0		63
Restructuring Charges			0
Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	36,200		36,200		34,900
Other Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 16,900		$ 16,900		$ 12,500