Segment Reporting (Details 1) - USD ($) $ in Thousands	Jul. 04, 2015	Jan. 03, 2015
Summary of long-lived assets by geography
Total long-lived assets	$ 229,838	$ 230,112
Americas:
Total Americas	194,519	201,338
United States [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	194,071	200,760
Other Americas [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	448	578
Asia [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	22,846	22,145
EMEA [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	11,870	5,951
Japan [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	$ 603	$ 678