Intangible Assets, Net - Summary of Carrying Amount of Intangible Assets by Segment (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	$ 376,248
Amortization	(12,650)
Other	10
Ending balance	363,608
Mobile Solutions
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	35,892
Amortization	(885)
Other	2
Ending balance	35,009
Power Solutions
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	95,991
Amortization	(2,748)
Other	0
Ending balance	93,243
Life Sciences
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	244,365
Amortization	(9,017)
Other	8
Ending balance	$ 235,356