Accumulated Other Comprehensive (Loss) Income - Reclassifications Out of Accumulated Other Comprehensive (Loss) Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	May 27, 2016	May 29, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Administrative and general expenses	$ (64,018)	$ (58,221)
Income (loss) before income tax benefit (expense)	39,248	111,333
Income tax benefit (expense)	(12,778)	(38,569)
Net income (loss)	26,470	$ 72,764
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income (loss)	(216)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Administrative and general expenses	(506)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Administrative and general expenses	174
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 benefit (expense)	(332)
Income tax benefit (expense)	116
Net income (loss)	$ (216)