Accumulated Other Comprehensive (Loss) Income - Reclassifications Out of Accumulated Other Comprehensive (Loss) Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 26, 2016	Aug. 28, 2015	Aug. 26, 2016	Aug. 28, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Administrative and general expenses	$ (55,797)	$ (59,365)	$ (119,815)	$ (117,586)
Income (loss) before income tax benefit (expense)	15,274	30,998	54,522	142,331
Income tax benefit (expense)	(4,970)	(6,518)	(17,748)	(45,087)
Net income	$ 10,304	$ 24,480	36,774	$ 97,244
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income			(770)
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			(1,043)
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			347
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Pensions and Postretirement Benefits [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) before income tax benefit (expense)			(696)
Income tax benefit (expense)			244
Net income			(452)
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Member] | Foreign Currency Translation Adjustments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Loss upon dissolution of business			$ (318)