Stock-Based Compensation Plans (Details 3) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Apr. 02, 2011	Apr. 03, 2010
Summary of Shares Available for Grant
Shares Available for Grant, Beginning Balance	13,164	12,322	11,052
Shares Available For Grant, Additional shares reserved	4,500	4,500	5,000
Shares Available for Grant, Stock option granted	(207)	(2,345)	(2,461)
Shares Available for Grant, Stock options cancelled	70	365	314
Shares Available for Grant, RSUs granted	(2,977)	(2,043)	(1,885)
Shares Available for Grant, RSUs cancelled	358	365	302
Shares Available for Grant, Ending Balance	14,908	13,164	12,322