Restructuring and Impairment Charges (Additional Information) (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended			24 Months Ended
	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges		$ 0	$ 5,390	$ 10,376
Pension settlement charge	$ 5,200
Restructuring charges recorded in cost of sales			0	368
Loss from the sale of property, plant and equipment, net		$ 0	69	7
Advanced Connectivity Solutions | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges			0	802
Other | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 0	115
Streamlining and restructuring related activites
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges					$ 5,700
Streamlining and restructuring related activites | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges					4,200
Streamlining and restructuring related activites | Defined Benefit Plan, Curtailment Charge
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges					$ 1,500
BrightVolt Inc. | Asset Impairments
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	$ 200			$ 4,600