Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Acquisitions - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended	6 Months Ended
Acquisitions - Narrative (Details) - USD ($) $ in Thousands	Oct. 29, 2019	Sep. 16, 2019	Dec. 31, 2019	Dec. 31, 2019
Business Combination Segment Allocation [Line Items]
Acquisition-related transaction costs				$ 114,672
EMFCO Holdings Incorporated
Business Combination Segment Allocation [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 Corporation
Business Combination Segment Allocation [Line Items]
Equity interest	100.00%
Purchase price to acquire business	$ 3,453,000
Aggregate annual sales for businesses acquired for their most recent fiscal year prior to acquisition	1,025,000
LORD Corporation and EMFCO Holdings Incorporated
Business Combination Segment Allocation [Line Items]
Net sales attributable to acquisitions			$ 285,905	307,188
Operating (loss) attributable to acquisitions			$ (20,054)	$ (19,820)
Customer Relationships \| EMFCO Holdings Incorporated
Business Combination Segment Allocation [Line Items]
Intangible assets acquired		$ 501,610
Weighted average useful life of intangible assets		18 years
Customer Relationships \| LORD Corporation
Business Combination Segment Allocation [Line Items]
Intangible assets acquired	$ 917,640
Weighted average useful life of intangible assets	13 years
Patents and Technology \| EMFCO Holdings Incorporated
Business Combination Segment Allocation [Line Items]
Intangible assets acquired		$ 281,500
Weighted average useful life of intangible assets		20 years
Patents and Technology \| LORD Corporation
Business Combination Segment Allocation [Line Items]
Intangible assets acquired	$ 456,680
Weighted average useful life of intangible assets	21 years
Trademarks \| EMFCO Holdings Incorporated
Business Combination Segment Allocation [Line Items]
Intangible assets acquired		$ 90,600
Weighted average useful life of intangible assets		20 years
Trademarks \| LORD Corporation
Business Combination Segment Allocation [Line Items]
Intangible assets acquired	$ 118,640
Weighted average useful life of intangible assets	20 years
Diversified Industrial Segment \| Revenue, Segment Benchmark \| LORD Corporation
Business Combination Segment Allocation [Line Items]
Concentration risk	95.00%
Aerospace Systems Segment \| Revenue, Segment Benchmark \| LORD Corporation
Business Combination Segment Allocation [Line Items]
Concentration risk	5.00%