Segment Reporting (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
Summary of long-lived assets by geography
Total long-lived assets	$ 239,314	$ 238,715
Americas:
Total Americas	209,783	207,988
United States [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	209,533	207,694
Other Americas [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	250	294
Asia [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	22,591	23,508
EMEA [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	6,085	6,326
Japan [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	$ 855	$ 893