Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 30, 2013	Aug. 24, 2012	Aug. 30, 2013	Aug. 24, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) before income tax expense (benefit)	$ 5,682	$ (6,071)	$ 58,228	$ 4,349
Tax benefit	(10,903)	1,817	(30,056)	(1,353)
Total reclassifications	(5,221)	(4,254)	28,172	2,996
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications			(663)
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			(1,405)
Prior service cost			548
Income (loss) before income tax expense (benefit)			(857)
Tax benefit			194
Total reclassifications			$ (663)