Intangible Assets, Net - Summary of Carrying Amount of Intangible Assets by Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Beginning balance	$ 237,702	$ 254,263
Amortization	(32,553)	(23,460)
Currency impacts	(14)	(1)
Intangible assets subject to amortization	171,113	6,900
Measurement period adjustments	0
Ending balance	376,248	237,702
Mobile Solutions
Finite-Lived Intangible Assets [Line Items]
Beginning balance	39,446	42,928
Amortization	(3,540)	(3,481)
Currency impacts	(14)	(1)
Intangible assets subject to amortization	0	0
Measurement period adjustments	0
Ending balance	35,892	39,446
Power Solutions
Finite-Lived Intangible Assets [Line Items]
Beginning balance	105,030	115,928
Amortization	(10,939)	(10,898)
Currency impacts	0	0
Intangible assets subject to amortization	1,900	0
Measurement period adjustments	0
Ending balance	95,991	105,030
Life Sciences
Finite-Lived Intangible Assets [Line Items]
Beginning balance	93,226	95,407
Amortization	(18,074)	(9,081)
Currency impacts	0	0
Intangible assets subject to amortization	169,213	6,900
Measurement period adjustments	0
Ending balance	$ 244,365	$ 93,226