Segment Information - Long-lived assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013		Dec. 29, 2012		Dec. 31, 2010
Segment Reporting Information [Line Items]
Long-lived assets	$ 137,573	[1]	$ 72,326	[1]	$ 66,591	[1]
United States And Canada [Member]
Segment Reporting Information [Line Items]
Long-lived assets	115,162	[1]	48,516	[1]	41,428	[1]
Asia [Member]
Segment Reporting Information [Line Items]
Long-lived assets	5,133	[1]	3,391	[1]	2,467	[1]
Europe And Middle East [Member]
Segment Reporting Information [Line Items]
Long-lived assets	15,762	[1]	19,198	[1]	18,780	[1]
Latin America [Member]
Segment Reporting Information [Line Items]
Long-lived assets	1,516	[1]	1,221	[1]	3,916	[1]
Total International [Member]
Segment Reporting Information [Line Items]
Long-lived assets	$ 22,411	[1]	$ 23,810	[1]	$ 25,163	[1]

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