Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 30, 2014	May 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) before income tax expense (benefit)	$ 55,436	$ 52,546
Tax benefit	(11,697)	(19,153)
Total reclassifications	43,739	33,393
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications	(109)
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	(481)
Prior service credit, net	324
Income (loss) before income tax expense (benefit)	(157)
Tax benefit	48
Total reclassifications	$ (109)