Intangible Assets, Net - Summary of Carrying Amount of Intangible Assets by Segment (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	$ 329,260
Amortization	(11,342)
Ending balance	317,918
Mobile Solutions
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	32,416
Amortization	(839)
Ending balance	31,577
Power Solutions
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	84,997
Amortization	(2,748)
Ending balance	82,249
Life Sciences
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	211,847
Amortization	(7,755)
Ending balance	$ 204,092

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

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