Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Goodwill, beginning of period		$ 933,022	$ 955,524
Acquisition-related			5,841
Reclassified to assets held for sale (see Note 3)			(15,000)
Foreign currency translation		78,558	(13,343)
Goodwill, end of period	$ 933,022	1,011,580	933,022	$ 955,524
Goodwill expected tax deductible amount		43,860
Other Intangible Assets:
Gross Amount	894,833	894,833	894,833
Foreign currency translation	(25,351)	(1,273)	(25,351)
Other intangible assets	925,152	949,230	925,152
Accumulated Amortization	(344,036)	(385,098)	(344,036)
Amortization of intangible assets		41,066	51,502	45,220
Intangible Assets, Future Amortization Expense
Estimated amortization of intangible assets, year 1		42,000
Estimated amortization of intangible assets, year 2		42,000
Estimated amortization of intangible assets, year 3		43,000
Estimated amortization of intangible assets, year 4		43,000
Estimated amortization of intangible assets, year 5		44,000
Trade Names [Member]
Other Intangible Assets:
Gross Amount	55,670	$ 55,670	55,670
Revenue sharing programs [Member]
Other Intangible Assets:
Range of life (in years)		30 years
Gross Amount	299,500	$ 299,500	299,500
Accumulated Amortization	(135,466)	$ (143,209)	(135,466)
Component Repair Program [Member]
Other Intangible Assets:
Range of life (in years)		30 years
Gross Amount	111,839	$ 111,839	111,839
Accumulated Amortization	(27,270)	(30,869)	(27,270)
Customer Relationships [Member]
Other Intangible Assets:
Gross Amount	338,366	338,366	338,366
Accumulated Amortization	(98,953)	$ (118,752)	(98,953)
Customer Relationships [Member] | Minimum [Member]
Other Intangible Assets:
Range of life (in years)		10 years
Customer Relationships [Member] | Maximum [Member]
Other Intangible Assets:
Range of life (in years)		16 years
Patents And Technology [Member]
Other Intangible Assets:
Gross Amount	123,433	$ 123,433	123,433
Accumulated Amortization	(68,188)	$ (77,311)	(68,188)
Patents And Technology [Member] | Minimum [Member]
Other Intangible Assets:
Range of life (in years)		4 years
Patents And Technology [Member] | Maximum [Member]
Other Intangible Assets:
Range of life (in years)		11 years
Trademarks, Trade Names [Member]
Other Intangible Assets:
Gross Amount	10,949	$ 10,949	10,949
Accumulated Amortization	(10,145)	$ (10,377)	(10,145)
Trademarks, Trade Names [Member] | Minimum [Member]
Other Intangible Assets:
Range of life (in years)		10 years
Trademarks, Trade Names [Member] | Maximum [Member]
Other Intangible Assets:
Range of life (in years)		30 years
Other [Member]
Other Intangible Assets:
Range of life (in years)		15 years
Gross Amount	10,746	$ 10,746	10,746
Accumulated Amortization	(4,014)	(4,580)	(4,014)
Industrial [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period		902,236	924,738
Acquisition-related	5,841
Reclassified to assets held for sale (see Note 3)		(15,000)	(15,000)
Foreign currency translation		78,558	(13,343)
Goodwill, end of period	902,236	980,794	902,236	924,738
Aerospace [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period		30,786	30,786
Acquisition-related			0
Reclassified to assets held for sale (see Note 3)			0
Foreign currency translation		0	0
Goodwill, end of period	$ 30,786	$ 30,786	$ 30,786	$ 30,786