CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 27, 2016	Nov. 28, 2015	Aug. 29, 2015	May. 30, 2015	Feb. 28, 2015	Nov. 29, 2014	Aug. 30, 2014	May. 31, 2014	Feb. 27, 2016	Feb. 28, 2015	Mar. 01, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 65,617	$ 59,543	$ 21,469	$ 18,836	$ 1,835,032	$ 104,846	$ 127,849	$ 41,446	$ 165,465	$ 2,109,173	$ 249,414
Defined benefit pension plans:
Amortization of prior service cost, net transition obligation and net actuarial losses included in net periodic pension cost, net of $1,681, $6,042, and $0 tax benefit									(1,931)	(8,516)	24,035
Total other comprehensive (loss) income									(1,931)	(8,516)	24,035
Comprehensive income									$ 163,534	$ 2,100,657	$ 273,449