Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ (17,579)	$ 1,705	$ 6,933
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Rental asset depreciation expense	11,042	11,887	12,266
Purchases of rental assets	(22,126)	(25,628)	(20,864)
Property and equipment depreciation expense	17,026	17,273	18,957
Impairment of goodwill	147
Loss on rental assets lost, stolen and defective	1,293	1,830	1,131
Loss on disposal or impairment of property and equipment, excluding rental assets	1,055	740	1,746
Deferred income taxes	7,725	1,424	4,500
Non-cash stock-based compensation	1,058	749	354
Changes in operating assets and liabilities:
Merchandise inventories	5,558	13,422	9,610
Prepaid expenses and other current assets	(3,487)	(1,622)	557
Trade accounts payable	(8,284)	3,789	2,565
Accrued expenses and other liabilities	(177)	(1,814)	(12,484)
Excess tax benefit from stock-based compensation		(190)	(2)
Other assets and liabilities, net	2,229	(108)	1,332
Net cash provided by (used in) operating activities	(4,520)	23,457	26,601
Cash flows from investing activities:
Purchase of property, equipment and improvements	(15,944)	(11,906)	(11,812)
Proceeds from insurance on casualty loss			547
Net cash used in investing activities	(15,944)	(11,906)	(11,265)
Cash flows from financing activities:
Borrowings under revolving credit facility	548,413	538,564	536,570
Repayments under revolving credit facility	(526,900)	(544,972)	(542,903)
Purchase of treasury stock	(1,992)	(6,376)	(1,287)
Change in cash overdraft	(1,003)	(1,302)	(6,320)
Deferred financing costs paid	(68)	(599)
Proceeds from exercise of stock options	37	230	16
Excess tax benefit from stock-based compensation		190	2
Net cash provided by (used in) financing activities	18,487	(14,265)	(13,922)
Net increase (decrease) in cash and cash equivalents	(1,977)	(2,714)	1,414
Cash and cash equivalents at beginning of year	6,149	8,863	7,449
Cash and cash equivalents at end of year	$ 4,172	$ 6,149	$ 8,863