CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 01, 2014	Mar. 02, 2013	Mar. 03, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 249,414	$ 118,105	$ (368,571)
Defined benefit pension plans:
Amortization of prior service cost, net transition obligation and net actuarial losses included in net periodic pension cost	24,035	(8,735)	(22,492)
Total other comprehensive income (loss)	24,035	(8,735)	(22,492)
Comprehensive income (loss)	$ 273,449	$ 109,370	$ (391,063)