Derivative Financial Instruments - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 27, 2015	Sep. 30, 2016	Sep. 27, 2015
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	$ 169	$ 192	$ 486	$ 574
Foreign exchange derivative | Net sales | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	(35)	0	(125)	0
Foreign exchange derivative | Cost of goods sold | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	51	0	139	0
Foreign exchange derivative | Selling, general and administrative expenses | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	0	0	10	0
Foreign exchange derivative | Other income and expenses | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	(5)	0	(9)	0
Interest rate swap | Interest expense | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	$ 158	$ 192	$ 471	$ 574