Loss Earnings Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 23, 2012	Nov. 25, 2011	Nov. 23, 2012	Nov. 25, 2011
Numerator
Net (loss) income	$ (809)	$ 20,246	$ 2,187	$ 67,315
Denominator
Weighted average shares outstanding	31,877,088	39,480,798	33,712,073	40,226,039
Effect of dilutive securities:
Stock options and awards		956,000	767,000	1,155,000
Weighted average shares outstanding - assuming dilution	31,877,088	40,436,865	34,478,737	41,381,157
(Loss) earnings per share	$ (0.03)	$ 0.51	$ 0.06	$ 1.67
(Loss) earnings per share - assuming dilution	$ (0.03)	$ 0.50	$ 0.06	$ 1.63