Facility Closures - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Loss on dispositions of assets			$ 3,210	$ 1,350
Facility Closing Wolverhampton, United Kingdom [Member]
Restructuring Cost and Reserve [Line Items]
Loss on dispositions of assets		$ (3,200)
Cost of Sales [Member] | Facility Closing Reynosa, Mexico [Member]
Restructuring Cost and Reserve [Line Items]
Future Lease Obligation, Net of Sublease Income	$ 1,500
Restructuring and Related Cost, Accelerated Depreciation	$ 1,200
Selling, General and Administrative Expenses [Member] | Facility Closing Wolverhampton, United Kingdom [Member]
Restructuring Cost and Reserve [Line Items]
Gain (Loss) on Disposition of Business		$ (3,500)