Segment Reporting (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Summary of long-lived assets by geography
Total long-lived assets	$ 243,288	$ 244,439
Americas:
United States	211,521	214,711
Total Americas	211,830	214,896
Other Americas [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	309	185
Europe, Middle East and Africa [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	5,682	5,410
Japan [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	1,015	1,649
Asia [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	$ 24,761	$ 22,484