Equity Compensation (Schedule Of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 26, 2011	Mar. 27, 2010
Equity Compensation [Abstract]
Options available for grant, beginning balance	8,175	9,930	12,104
Options available for grant, terminated	(34)	(300)	(477)
Options available for grant, granted	(2,049)	(1,927)	(2,471)
Options available for grant, forfeited	165	472	774
Options available for grant, ending balance	6,257	8,175	9,930
Number, beginning balance	6,181	10,379	9,063
Number, granted	450	977	2,471
Number, exercised	(593)	(4,718)	(401)
Number, forfeited	(67)	(153)	(264)
Number, expired	(67)	(304)	(490)
Number, ending balance	5,904	6,181	10,379
Weighted average exercise price, beginning balance	$ 7.63	$ 6.74	$ 7.45
Weighted average exercise price, options granted	$ 15.63	$ 16.75	$ 5.53
Weighted average exercise price, options exercised	$ 6.88	$ 6.57	$ 5.01
Weighted average exercise price, options forfeited	$ 7.70	$ 5.90	$ 5.44
Weighted average exercise price, options expired	$ 15.68	$ 23.68	$ 9.63
Weighted average exercise price, ending balance	$ 8.23	$ 7.63	$ 6.74