Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 229,975	$ 188,960	$ 426,846	$ 343,237
Cost of goods sold	164,404	128,206	301,820	233,447
Gross profit	65,571	60,754	125,026	109,790
Selling, general and administrative expenses	59,826	53,844	117,751	103,525
Depreciation and amortization	1,852	1,277	3,376	2,557
Operating profit	3,893	5,633	3,899	3,708
Equity in loss of joint venture	376		475
Interest and financing charges, net	952	634	1,711	996
Income before income taxes	2,565	4,999	1,713	2,712
Income tax expense	1,000	2,000	668	1,085
Net income	$ 1,565	$ 2,999	$ 1,045	$ 1,627
Basic:
Net income per common share	$ 0.08	$ 0.16	$ 0.05	$ 0.09
Weighted average number of shares outstanding	19,848	19,126	19,784	19,016
Diluted:
Net income per common share	$ 0.08	$ 0.15	$ 0.05	$ 0.08
Weighted average number of shares outstanding	20,253	19,652	20,221	19,540