CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY Statement (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of year at Apr. 03, 2010	$ 342,662	$ 142,369	$ 199,486	$ 807
Balance at beginning of year (shares) at Apr. 03, 2010		27,665
Stock plans:
Employee stock plans (shares)		634
Employee stock plans	10,568	10,568
Tax impact of stock options exercised	252	252
Comprehensive income (loss):
Net (loss) income	7,934		7,934
Net unrealized gain on securities, net of tax	27			27
Net unrealized gain on auction rate securities	144			144
Cumulative translation adjustment, net of tax	715			715
Accumulated other comprehensive loss related to benefit plan obligations (net of tax of $4)	(3)			(3)
Comprehensive (loss) income	8,817
Balance at end of year at Apr. 02, 2011	362,299	153,189	207,420	1,690
Balance at end of year (shares) at Apr. 02, 2011		28,299
Cash dividends paid	(2,303)		(2,303)
Stock plans:
Employee stock plans (shares)		671
Employee stock plans	14,449	14,449
Tax impact of stock options exercised	505	505
Comprehensive income (loss):
Net (loss) income	4,904		4,904
Net unrealized gain on securities, net of tax	7			7
Net unrealized gain on auction rate securities	(1,445)
Reclassification of unrealized gain on auction rate securities to earnings	(1,445)			(1,445)
Cumulative translation adjustment, net of tax	277			277
Accumulated other comprehensive loss related to benefit plan obligations (net of tax of $4)	(23)			(23)
Comprehensive (loss) income	3,720
Balance at end of year at Mar. 31, 2012	378,670	168,143	210,021	506
Balance at end of year (shares) at Mar. 31, 2012		28,970
Cash dividends paid	(68,077)		(68,077)
Stock plans:
Employee stock plans (shares)		613
Employee stock plans	8,488	8,488
Tax impact of stock options exercised	0	0
Comprehensive income (loss):
Net (loss) income	(54,716)		(54,716)
Net unrealized gain on securities, net of tax	(34)			(34)
Net unrealized gain on auction rate securities	0
Cumulative translation adjustment, net of tax	(198)			(198)
Accumulated other comprehensive loss related to benefit plan obligations (net of tax of $4)	9			9
Comprehensive (loss) income	(54,939)
Balance at end of year at Mar. 30, 2013	$ 264,142	$ 176,631	$ 87,228	$ 283
Balance at end of year (shares) at Mar. 30, 2013		29,583