CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Cash flows from operating activities of continuing operations:
Net income (loss)	$ (10,660)	$ 1,145	[1]
Income from discontinued operations	4		[1]
Income (loss) from continuing operations	(10,664)	1,145	[1]
Adjustments to reconcile income (loss) from continuing operations to net cash provided by operating activities of continuing operations:
Depreciation	3,618	3,748	[1]
Amortization of intangible assets	285	332	[1]
Share-based compensation	493	882	[1]
Non-operating (gains) losses, net	1,319	(1,225)	[1]
Equity in losses of affiliates and impairments	310	427	[1]
Changes in operating assets and liabilities:
Trade accounts receivable, net	(12,585)	(42,894)	[1]
Inventories	(3,300)	(18,689)	[1]
Prepaid expenses and other current assets	(53)	315	[1]
Accounts payable, accrued restructuring and accrued expenses	31,516	57,000	[1]
Refundable and accrued income taxes, net	(4,867)	645	[1]
Other assets and liabilities	2,708	3,548	[1]
Net cash provided by operating activities of continuing operations	8,780	5,234	[1]
Cash flows from investing activities of continuing operations:
Additions to property and equipment	(2,134)	(1,750)	[1]
Change in restricted cash	(691)
Investments in affiliates	(586)	(1,052)	[1]
Net cash used in investing activities of continuing operations	(3,411)	(2,802)	[1]
Cash flows from financing activities of continuing operations:
Repayments on capital lease obligations	(31)	(29)	[1]
Proceeds from issuance of common stock		29	[1]
Repurchase of common stock	(147)	(173)	[1]
Net cash used in financing activities of continuing operations	(178)	(173)	[1]
Cash flows from discontinued operations:
Operating cash flows	(312)	(386)	[1]
Net cash used in discontinued operations	(312)	(386)	[1]
Net effect of exchange rate changes on cash and cash equivalents	1,107	(1,572)	[1]
Net increase in cash and cash equivalents	5,986	301	[1]
Cash and cash equivalents at beginning of period	52,369	111,225	[1]
Cash and cash equivalents at end of period	$ 58,355	$ 111,526	[1]

[1] As Restated