Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 28, 2015	Aug. 29, 2014	Aug. 28, 2015	Aug. 29, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Administrative and general expenses	$ (59,365)	$ (66,850)	$ (117,586)	$ (136,145)
Income (loss) before income tax expense (benefit)	30,998	34,507	142,331	89,943
Income tax expense	6,518	11,667	45,087	23,364
Total reclassifications	$ 24,480	$ 22,840	97,244	$ 66,579
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications			(476)
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]
Income (loss) before income tax expense (benefit)			(746)
Income tax expense			270
Total reclassifications			(476)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Pensions and Other Postretirement Benefits [Member] | Actuarial Losses, Net [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Administrative and general expenses			(1,094)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Pensions and Other Postretirement Benefits [Member] | Prior Service Credit, Net [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Administrative and general expenses			$ 348