Restructuring - Additional Information (Details) $ in Thousands			3 Months Ended	9 Months Ended		24 Months Ended
	May 24, 2017 USD ($)	May 02, 2016 facility	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Nov. 19, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred			$ 400	$ 2,013	$ 2,289	$ 4,300
Monona Wire Harness
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred			$ 0	1,000		$ 600
North America
Restructuring Cost and Reserve [Line Items]
Number of facilities | facility		2
Employee Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred				$ 212	$ 1,721
Employee Costs | Monona Wire Harness
Restructuring Cost and Reserve [Line Items]
Released separation charges	$ 400
Contract Termination | Monona Wire Harness
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred	$ 1,300
Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs							$ 6,500
Minimum | Capital Investments
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs							1,000
Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs							7,600
Maximum | Capital Investments
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs							$ 2,000