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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

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