Segment Information - Net Sales (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 29, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jun. 30, 2011	Apr. 02, 2011	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Segment Reporting Information [Line Items]
Net sales	$ 291,612	$ 257,699	$ 260,040	$ 228,823	$ 243,760	$ 218,720	$ 210,855	$ 182,572	$ 1,038,174	$ 855,907	$ 719,121
United States And Canada [Member]
Segment Reporting Information [Line Items]
Net sales									711,241	613,081	575,527
Asia [Member]
Segment Reporting Information [Line Items]
Net sales									91,021	61,078	42,786
Europe And Middle East [Member]
Segment Reporting Information [Line Items]
Net sales									167,840	137,335	79,859
Latin America [Member]
Segment Reporting Information [Line Items]
Net sales									68,072	44,413	20,949
Total International [Member]
Segment Reporting Information [Line Items]
Net sales									$ 326,933	$ 242,826	$ 143,594