Segment Reporting (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2014	Dec. 28, 2013
Summary of long-lived assets by geography
Total long-lived assets	$ 231,337	$ 238,715
Americas:
Total Americas	201,968	207,988
United States [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	201,408	207,694
Other Americas [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	560	294
Asia [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	811	893
EMEA [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	22,197	23,508
Japan [Member]
Summary of long-lived assets by geography
Long-Lived Assets in Individual Foreign Countries	$ 6,361	$ 6,326