Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 29, 2013	Nov. 23, 2012	Nov. 29, 2013	Nov. 23, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) before income tax expense (benefit)	$ 3,615	$ (2,099)	$ 61,843	$ 2,250
Tax benefit	(310)	1,290	(30,366)	(63)
Total reclassifications	3,305	(809)	31,477	2,187
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications			(807)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Pensions and Other Postretirement Benefits [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Actuarial losses, net			(1,919)
Prior service cost			807
Income (loss) before income tax expense (benefit)			(1,112)
Tax benefit			305
Total reclassifications			$ (807)