Intangible Assets - Amortized Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 02, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 61,322	$ 52,668
Accumulated Amortization	46,096	44,356
Net Carrying Value	15,226	8,312
Distribution networks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	38,060	38,060
Accumulated Amortization	38,060	37,422
Net Carrying Value	0	638
Completed technologies
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	13,687	8,003
Accumulated Amortization	2,961	2,098
Net Carrying Value	10,726	5,905
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	9,205	6,605
Accumulated Amortization	5,044	4,836
Net Carrying Value	4,161	$ 1,769
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	370
Accumulated Amortization	31
Net Carrying Value	$ 339