Segment Information (Consolidated Net Sales And Long Lived Assets By Percent) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Dec. 29, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 169,082	$ 154,120
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	41,597	43,807
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	40,238	36,491
Long-lived Assets	46,948		46,559
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	15,199	16,189
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived Assets	15,087		15,121
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived Assets	$ 58,934		$ 59,130