Segment Information (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Summary of net sales by customer location
Net sales by customer location	$ 780,432	$ 827,152	$ 834,910
North America | Reportable Geographical Components
Summary of net sales by customer location
Net sales by customer location	667,540	704,367	712,007
Europe | Reportable Geographical Components
Summary of net sales by customer location
Net sales by customer location	84,650	96,358	100,254
Other | Reportable Geographical Components
Summary of net sales by customer location
Net sales by customer location	$ 28,242	$ 26,427	$ 22,649