Segment Information (Schedule Of Sales By Geographic Location Based On The Sales Office Location) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended									12 Months Ended
	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012		Dec. 31, 2011	Sep. 24, 2011	Jun. 25, 2011	Mar. 30, 2013	Mar. 31, 2012	Mar. 26, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 206,873	$ 310,133	$ 193,774	$ 99,006	$ 110,631	[1]	$ 122,368	$ 101,602	$ 92,242	$ 809,786	$ 426,843	$ 369,571
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										38,670	50,230	66,701
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										19,211	23,927	27,398
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										700,051	294,143	205,775
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										8,590	8,671	9,216
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										9,299	15,196	16,902
South Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										8,975	9,781	12,413
Taiwan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										11,694	10,662	13,073
Other Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										10,387	13,063	16,012
Other Non-U.S. Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales										$ 2,909	$ 1,170	$ 2,081

[1] The $39.5 million tax benefit recorded in the fourth quarter of 2012 favorably impacted net income, as a result of a $37.3 million release in valuation allowance on deferred tax assets.