Loss Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 02, 2012	May 28, 2011
Numerator for loss per share:
Net loss	$ (28,088)	$ (63,082)
Accretion of redeemable preferred stock	(25)	(25)
Cumulative preferred stock dividends	(2,574)	(2,425)
Loss attributable to common stockholders-basic	(30,687)	(65,532)
Loss attributable to common stockholders-diluted	$ (30,687)	$ (65,532)
Denominator:
Basic weighted average shares	887,516	883,915
Diluted weighted average shares	887,516	883,915
Basic and diluted loss per share (in dollars per share)	$ (0.03)	$ (0.07)
Antidilutive securities excluded from computation of earnings per share
Potential common shares excluded from the computation of diluted loss per share	129,369	118,411
Stock options
Antidilutive securities excluded from computation of earnings per share
Potential common shares excluded from the computation of diluted loss per share	72,907	63,779
Convertible preferred stock
Antidilutive securities excluded from computation of earnings per share
Potential common shares excluded from the computation of diluted loss per share	31,662	29,832
Convertible debt
Antidilutive securities excluded from computation of earnings per share
Potential common shares excluded from the computation of diluted loss per share	24,800	24,800
Restricted shares and restricted stock units
Antidilutive securities excluded from computation of earnings per share
Potential common shares excluded from the computation of diluted loss per share	11,366	6,932