CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2013	Sep. 01, 2012	Aug. 31, 2013	Sep. 01, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 32,827	$ (38,765)	$ 122,489	$ (66,853)
Defined benefit pension plans:
Amortization of prior service cost, net transition obligation and net actuarial losses included in net periodic pension cost	1,262	1,019	2,525	2,039
Total other comprehensive income	1,262	1,019	2,525	2,039
Comprehensive income (loss)	$ 34,089	$ (37,746)	$ 125,014	$ (64,814)