Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Jan. 31, 2012	Apr. 30, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 38,336	$ 24,660	$ 12,701
Accounts receivable, net of allowance for doubtful accounts and sales discounts of $31,480, $23,972 and $34,436, respectively	176,530	162,510	128,218
Inventories	208,755	253,521	167,751
Prepaid income taxes	584	0	2,810
Deferred income taxes, net	9,559	9,559	10,035
Prepaid expenses and other current assets	17,418	14,528	17,037
Total current assets	451,182	464,778	338,552
INVESTMENT IN JOINT VENTURE	2,383	2,419	1,191
PROPERTY AND EQUIPMENT, NET	33,408	33,365	24,323
DEFERRED INCOME TAXES	0	0	1,803
OTHER ASSETS	1,779	1,830	2,150
INTANGIBLES, NET	17,421	17,611	18,243
GOODWILL	26,100	26,100	26,100
Total assets	532,273	546,103	412,362
CURRENT LIABILITIES
Notes payable	83,073	30,050	35,000
Income taxes payable	0	6,212	0
Accounts payable	55,678	96,727	49,220
Accrued expenses	20,950	43,530	14,425
Total current liabilities	159,701	176,519	98,645
DEFERRED INCOME TAXES	1,289	1,289	0
OTHER NON-CURRENT LIABILITIES	10,811	10,323	7,625
TOTAL LIABILITIES	171,801	188,131	106,270
STOCKHOLDERS' EQUITY
Preferred stock; 1,000,000 shares authorized; No shares issued and outstanding
Common stock - $.01 par value; 80,000,000, 40,000,000 and 80,000,000 shares authorized; 20,461,840, 20,188,889 and 20,279,132 shares issued	205	203	202
Additional paid-in capital	163,445	160,102	155,479
Accumulated other comprehensive income (loss)	6	4	(41)
Retained earnings	200,715	201,562	151,422
Common stock held in treasury, at cost - 492,225, 367,225 and 492,225 shares	(3,899)	(3,899)	(970)
Total shareholders' equity	360,472	357,972	306,092
Total liabilities and shareholders' equity	$ 532,273	$ 546,103	$ 412,362