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Acquisitions and Divestitures - Acquisitions (Details) - USD ($) $ in Thousands			12 Months Ended
	Oct. 29, 2019	Sep. 16, 2019	Jun. 30, 2020
Business Acquisition [Line Items]
Acquisition-related transaction costs			$ 119,214
Lord
Business Acquisition [Line Items]
Equity interest	100.00%
Purchase price to acquire business	$ 3,455,000
Aggregate annual sales for businesses acquired, for their most recent fiscal year prior to acquisition	$ 1,025,000
Exotic
Business Acquisition [Line Items]
Equity interest		100.00%
Purchase price to acquire business		$ 1,706,000
Aggregate annual sales for businesses acquired, for their most recent fiscal year prior to acquisition			409,000
Lord and Exotic
Business Acquisition [Line Items]
Net sales, from date of acquisition			949,066
Operating loss, from date of acquisition			$ 22,330
Revenue, Segment Benchmark \| Diversified Industrial \| Lord
Business Acquisition [Line Items]
Concentration risk	95.00%
Revenue, Segment Benchmark \| Aerospace Systems \| Lord
Business Acquisition [Line Items]
Concentration risk	5.00%
Customer Relationships \| Lord
Business Acquisition [Line Items]
Intangible assets acquired	$ 869,190
Weighted average useful life of intangible assets	13 years
Customer Relationships \| Exotic
Business Acquisition [Line Items]
Intangible assets acquired		$ 502,470
Weighted average useful life of intangible assets		18 years
Patents and technology \| Lord
Business Acquisition [Line Items]
Intangible assets acquired	$ 458,030
Weighted average useful life of intangible assets	21 years
Patents and technology \| Exotic
Business Acquisition [Line Items]
Intangible assets acquired		$ 281,400
Weighted average useful life of intangible assets		20 years
Trademarks \| Lord
Business Acquisition [Line Items]
Intangible assets acquired	$ 119,440
Weighted average useful life of intangible assets	20 years
Trademarks \| Exotic
Business Acquisition [Line Items]
Intangible assets acquired		$ 90,600
Weighted average useful life of intangible assets		20 years