CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2013	Dec. 01, 2012	Nov. 30, 2013	Dec. 01, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 71,548	$ 61,871	$ 194,037	$ (4,982)
Defined benefit pension plans:
Amortization of prior service cost, net transition obligation and net actuarial losses included in net periodic pension cost	1,263	1,020	3,788	3,059
Total other comprehensive income	1,263	1,020	3,788	3,059
Comprehensive income (loss)	$ 72,811	$ 62,891	$ 197,825	$ (1,923)