Equity Compensation (Schedule Of Fair Value Of Stock Option Grants) (Details)	12 Months Ended
	Mar. 31, 2012	Mar. 26, 2011	Mar. 27, 2010
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected stock price volatility	66.11%	67.11%	56.59%
Risk-free interest rate	1.43%	2.06%	2.25%
Expected term (in years)	3 years 9 months 26 days	4 years 4 months 2 days	4 years 7 months 21 days
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected stock price volatility	59.25%	52.03%	50.71%
Risk-free interest rate	0.27%	1.19%	1.80%
Expected term (in years)	2 years 3 months 26 days	3 years 9 months 29 days	4 years 3 months 29 days