Consolidated Condensed Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jul. 29, 2012	Jan. 29, 2012
Statement of Financial Position [Abstract]
Allowance for doubtful accounts, receivables	$ 4,847	$ 3,594
Accumulated depreciation	$ 93,069	$ 85,393
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	78,136,144	78,136,144
Common stock, shares outstanding	65,661,637	64,964,780
Treasury stock, shares	12,474,507	13,171,364