Intangible Assets, Net - Summary of Carrying Amount of Intangible Assets by Segment (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Beginning balance	$ 376,248	$ 376,248	$ 237,702
Amortization		(46,998)	(32,553)
Currency impacts and other	10		(14)
Intangible assets subject to amortization			171,113
Ending balance		329,260	376,248
Life Sciences
Finite-Lived Intangible Assets [Line Items]
Beginning balance	244,365	244,365	93,226
Amortization		(32,525)	(18,074)
Currency impacts and other	7		0
Intangible assets subject to amortization			169,213
Ending balance		211,847	244,365
Mobile Solutions
Finite-Lived Intangible Assets [Line Items]
Beginning balance	35,892	35,892	39,446
Amortization		(3,479)	(3,540)
Currency impacts and other	3		(14)
Intangible assets subject to amortization			0
Ending balance		32,416	35,892
Power Solutions
Finite-Lived Intangible Assets [Line Items]
Beginning balance	95,991	95,991	105,030
Amortization		(10,994)	10,939
Currency impacts and other	$ 0		0
Intangible assets subject to amortization			1,900
Ending balance		$ 84,997	$ 95,991