Derivative Financial Instruments - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	$ 171	$ 192	$ 319	$ 382
Foreign exchange derivative | Net sales | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	(84)	0	(91)	0
Foreign exchange derivative | Cost of goods sold | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	88	0	88	0
Foreign exchange derivative | Selling, general and administrative expenses | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	6	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	0	0	(1)	0
Interest rate swap | Interest expense | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	$ 161	$ 192	$ 313	$ 382