Segment Reporting (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Summary of long-lived assets by geography
Total long-lived assets	$ 241,965	$ 244,439
Americas:
Total Americas	210,113	214,896
United States [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	209,783	214,711
Other Americas [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	330	185
EMEA [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	6,354	5,410
Japan [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	974	1,649
Asia [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	$ 24,524	$ 22,484