Segment Reporting (Details 1) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Summary of long-lived assets by geography
Total long-lived assets	$ 230,112	$ 238,715	$ 244,439
Americas:
Total Americas	201,338	207,988	214,896
UNITED STATES
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	200,760	207,694	214,711
Other Americas [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	578	294	185
Asia [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	22,145	23,508	22,484
EMEA [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	5,951	6,326	5,410
JAPAN
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	$ 678	$ 893	$ 1,649