Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 03, 2011	Feb. 26, 2011
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 6,107	$ 5,554
Series A redeemable preferred stock, no par value
Series A redeemable preferred stock, redemption value	$ 1,000	$ 1,000
Series A redeemable preferred stock, shares authorized	700,000	700,000
Series A redeemable preferred stock, shares issued	179,020	179,020
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	260,000,000	260,000,000
Common stock, shares issued	53,852,470	53,852,470
Common stock, shares outstanding	53,852,470	53,852,470