Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 28, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, accumulated amortization	$ (32,375)	$ (28,930)
Total intangible assets included in other long-term assets	49,834	54,111
Patents, trademarks and other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	26,137	25,333
Finite-lived intangible assets, accumulated amortization	(13,696)	(12,805)
Total intangible assets included in other long-term assets	12,441	12,528
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	21,935	21,739
Finite-lived intangible assets, accumulated amortization	(6,957)	(5,863)
Total intangible assets included in other long-term assets	14,978	15,876
Developed technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	31,692	33,525
Finite-lived intangible assets, accumulated amortization	(9,277)	(7,818)
Total intangible assets included in other long-term assets	$ 22,415	$ 25,707