Long-Lived Assets by Major Geographic Region (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 154,035	$ 125,478
United States and Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	129,922	105,550
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	5,267	3,855
Europe and Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	16,904	14,655
Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1,942	1,418
Total International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 24,113	$ 19,928