Goodwill and Other Intangible Assets, Net - Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 196,406	$ 195,340
Accumulated Amortization	(54,195)	(50,577)
Customer Lists and Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	159,204	158,831
Accumulated Amortization	(44,134)	(41,445)
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	19,677	19,055
Accumulated Amortization	(494)	(154)
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	8,716	8,478
Accumulated Amortization	(2,740)	(2,556)
Non-Compete Agreements and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	8,286	8,453
Accumulated Amortization	(6,409)	(6,006)
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	523	523
Accumulated Amortization	$ (418)	$ (416)
Amortization period, in years	17 years
Minimum [Member] | Customer Lists and Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	6 years
Minimum [Member] | Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	10 years
Minimum [Member] | Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	3 years
Minimum [Member] | Non-Compete Agreements and other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	1 year
Maximum [Member] | Customer Lists and Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	26 years
Maximum [Member] | Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	20 years
Maximum [Member] | Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	15 years
Maximum [Member] | Non-Compete Agreements and other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	9 years