Segment Reporting (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
Summary of long-lived assets by geography
Total long-lived assets	$ 237,455	$ 244,439
Americas:
United States	209,006	214,711
Total Americas	209,222	214,896
Other Americas [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	216	185
Europe, Middle East and Africa [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	4,994	5,410
Japan [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	979	1,649
Asia [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	$ 22,260	$ 22,484