Intangible Assets Narrative (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 29, 2012
Goodwill [Line Items]
Intangible assets, net	$ 74,591,000		$ 74,591,000		$ 75,663,000
Amortization of intangible assets	2,400,000	2,200,000	4,400,000	4,300,000
Amortization in 2013					8,000,000
Amortization in 2014					7,000,000
Amortization of 2015					7,000,000
Amortization of 2016					7,000,000
Amortization of 2017					7,000,000
Interest Expense
Goodwill [Line Items]
Amortization of intangible assets	$ 600,000	$ 700,000	$ 1,200,000	$ 1,400,000