Segment Information (Consolidated Net Sales And Long Lived Assets By Percent) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 29, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 173,691	$ 165,175	$ 531,909	$ 480,196
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	21,554	44,944	109,089	132,298
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	39,282	39,991	118,329	115,577
Long-lived Assets	48,969		48,969		46,559
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived Assets	13,324		13,324		15,121
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	29,788		66,772
Long-lived Assets	$ 60,827		$ 60,827		$ 59,130