Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	May. 29, 2015	May. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Administrative and general expenses	$ (58,221)	$ (69,295)
Income (loss) before income tax expense (benefit)	111,333	55,436
Income tax expense	(38,569)	(11,697)
Total reclassifications	72,764	$ 43,739
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications	(238)
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)	(374)
Income tax expense	136
Total reclassifications	(238)
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	(548)
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	$ 174