CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jan. 28, 2012	Jan. 29, 2011
Receivables, allowance for doubtful accounts	$ 1,595	$ 1,218
Equipment under capital leases, accumulated amortization	$ 5,043	$ 4,967
Preferred stock, nonvoting
Preferred stock, no par value
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, outstanding
Preferred stock, Series A junior participating nonvoting
Preferred stock, no par value
Preferred stock, shares authorized	224,594	224,594
Preferred stock, outstanding
Common stock, Class A voting
Common stock, no par value
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	37,203,794	39,300,872
Common stock, shares outstanding	37,203,794	39,300,872
Common stock, Class B nonvoting
Common stock, no par value
Common stock, shares authorized	11,500,000	11,500,000
Common stock, shares outstanding