Goodwill and Other Intangible Assets, Net Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 27, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 118,131	$ 113,164
Accumulated Amortization	(27,172)	(20,251)
Customer Lists and Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	108,688	103,894
Accumulated Amortization	(21,369)	(15,541)
Trademarks and Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	2,695	2,655
Accumulated Amortization	(1,483)	(1,128)
Non-Compete Agreements and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	6,112	5,979
Accumulated Amortization	(3,819)	(3,091)
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	636	636
Accumulated Amortization	$ (501)	$ (491)
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] | Trademarks and Tradenames [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	21 years
Maximum [Member] | Trademarks and Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	7 years
Maximum [Member] | Non-Compete Agreements and other [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period, in years	9 years