Restructuring and Integration - Summary of Restructuring and Integration Charges and Reserve Activity (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Severance and other employee costs	$ (260)	$ 0	$ 2,064	$ 17
Other	51	345	73	345
Restructuring Reserve [Roll Forward]
Reserve beginning balance			1,099
Charges	(209)	345	2,137	362
Non-cash Adjustments			(61)
Cash Reductions			(1,585)
Reserve ending balance	1,590		1,590
Severance and Other Employee Costs
Restructuring Reserve [Roll Forward]
Reserve beginning balance			0
Charges			2,064
Non-cash Adjustments			0
Cash Reductions			(683)
Reserve ending balance	1,381		1,381
Site Closure and Other Associated Costs
Restructuring Reserve [Roll Forward]
Reserve beginning balance			1,099
Charges			73
Non-cash Adjustments			(61)
Cash Reductions			(902)
Reserve ending balance	209		209
Corporate and Consolidations
Restructuring Cost and Reserve [Line Items]
Severance and other employee costs			700
Operating Segments | Mobile Solutions
Restructuring Cost and Reserve [Line Items]
Severance and other employee costs	0	0	0	17
Other	51	345	73	345
Restructuring Reserve [Roll Forward]
Charges	51	345	73	362
Operating Segments | Power Solutions
Restructuring Cost and Reserve [Line Items]
Severance and other employee costs	0	0	0	0
Other	0	0	0	0
Restructuring Reserve [Roll Forward]
Charges	0	0	0	0
Operating Segments | Life Sciences
Restructuring Cost and Reserve [Line Items]
Severance and other employee costs	(260)	0	1,336	0
Other	0	0	0	0
Restructuring Reserve [Roll Forward]
Charges	(260)	0	1,336	0
Corporate and Eliminations | Corporate and Consolidations
Restructuring Cost and Reserve [Line Items]
Severance and other employee costs	0	0	728	0
Other	0	0	0	0
Restructuring Reserve [Roll Forward]
Charges	$ 0	$ 0	$ 728	$ 0