CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Cash Flows From Operating Activities:
Net earnings (loss)	$ 10,012	$ (27,310)	$ (112,306)
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Non-cash interest	2,870	3,603	34,580
Depreciation and amortization	33,770	37,887	41,326
Deferred taxes	1,165	1,544	5,280
Loss on disposition of property and equipment	1,308	1,793	1,431
Impairment of property and equipment	1,119	1,751	6,762
Stock-based compensation	3,285	2,728	2,150
Loss from discontinued operations		414	264
Changes in assets and liabilities:
Merchandise inventories	(29,575)	(27,516)	(8,071)
Other current assets	(7,447)	5,877	(5,772)
Other assets	(140)	142	(1,982)
Accounts payable and accrued liabilities	15,944	(11,037)	(19,577)
Deferred revenue	(16,433)	(22,064)	10,418
Other liabilities	34,526	(4,673)	(1,449)
Net cash provided by (used in) operating activities	50,404	(36,861)	(46,946)
Cash Flows From Investing Activities:
Payments for property and equipment	(23,029)	(19,775)	(15,315)
Purchase of available-for-sale investments	(4,181)	(6,833)	(9,388)
Proceeds from sales of available-for-sale investments	12,892	8,517	6,140
Net cash used in investing activities	(14,318)	(18,091)	(18,563)
Cash Flows From Financing Activities:
Borrowings under revolving credit agreement	5,071,300	4,891,400	3,604,800
Payments on revolving credit agreement	(5,113,900)	(4,776,600)	(3,514,800)
Payments on senior secured term loan		(60,454)	(11,250)
Debt issuance costs		(7,990)
Proceeds from exercise of stock options	147	34	67
Payments on capital lease obligations	(1,016)	(527)
Net cash (used in) provided by financing activities	(43,469)	45,863	78,817
Cash Flows Used in Discontinued Operations:
Net cash used in operating activities of discontinued operations		(893)	(5,391)
Effect of exchange rate changes on cash	(160)	(540)	973
Net change in cash and cash equivalents	(7,543)	(10,522)	8,890
Cash and cash equivalents at beginning of period	24,603	35,125	26,235
Cash and cash equivalents at end of period	$ 17,060	$ 24,603	$ 35,125