Goodwill and Other Intangible Assets - Changes in Goodwill and Other Identifiable Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill
Goodwill, beginning balance		$ 2,293,519	$ 2,046,820
Additions		20,322	380,240
Goodwill, Written off Related to Sale of Business Unit			(115,731)
Impairments		(506,721)	0	$ 0
Foreign currency translation		110,357	(17,810)
Goodwill, ending balance		1,917,477	2,293,519	2,046,820
Other Intangible Assets, Net
Other intangible assets, net, beginning balance		1,492,097	1,327,898
Additions		21,890	340,799
Intangible Asset, Written off Related to Sale of Business Unit			(89,030)
Amortization		(94,962)	(92,206)	(83,489)
Impairments		0	(2,194)
Foreign currency translation		79,232	6,830
Other intangible assets, net, ending balance		1,498,257	1,492,097	1,327,898
Automotive
Goodwill
Goodwill, beginning balance		1,897,495	1,721,823
Additions		15,061	194,561
Goodwill, Written off Related to Sale of Business Unit			(294)
Impairments		(506,721)
Foreign currency translation		99,688	(18,595)
Goodwill, ending balance		1,505,523	1,897,495	1,721,823
Automotive \| Europe
Goodwill
Impairments	$ (506,721)
Industrial
Goodwill
Goodwill, beginning balance		396,024	324,997
Additions		5,261	185,679
Goodwill, Written off Related to Sale of Business Unit			(115,437)
Impairments		0
Foreign currency translation		10,669	785
Goodwill, ending balance		$ 411,954	$ 396,024	$ 324,997

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Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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