CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jan. 31, 2013	Jan. 31, 2013	Jan. 31, 2012
Cash flows from operating activities of continuing operations:
Net loss	$ (12,550)	$ (23,208)	$ (11,731)	[1]
Loss from discontinued operations	(133)	(960)	(1,933)	[1]
Loss from continuing operations	(12,417)	(22,248)	(9,798)	[1]
Adjustments to reconcile loss from continuing operations to net cash provided by (used in) operating activities of continuing operations:
Depreciation	3,240	6,849	7,224	[1]
Amortization of intangible assets	285	569	569	[1]
Loss on the sale of available-for-sale securities		19
Share-based compensation	422	915	1,880	[1]
Non-operating (gains) losses, net	978	2,299	(2,052)	[1]
Equity in losses of affiliates and impairments	2,226	2,536	717	[1]
Changes in operating assets and liabilities:
Trade accounts receivable, net		1,622	(13,825)	[1]
Inventories		2,026	(21,019)	[1]
Prepaid expenses and other current assets		(1,138)	(787)	[1]
Accounts payable, accrued restructuring and accrued expenses		12,184	29,748	[1]
Refundable and accrued income taxes, net		(2,605)	(576)	[1]
Other assets and liabilities		736	2,964	[1]
Net cash provided by (used in) operating activities of continuing operations		3,764	(4,955)	[1]
Cash flows from investing activities of continuing operations:
Additions to property and equipment		(3,570)	(4,765)	[1]
Change in restricted cash		(691)
Proceeds from the disposition of the TFL business, net of $81 of transaction costs		1,269
Proceeds from the sale of available-for-sale securities		96
Proceeds from the sale of equity investments in affiliates		174	8	[1]
Investments in affiliates		(1,450)	(1,052)	[1]
Net cash used in investing activities of continuing operations		(4,172)	(5,809)	[1]
Cash flows from financing activities of continuing operations:
Repayments on capital lease obligations		(30)	(59)	[1]
Proceeds from issuance of common stock			61	[1]
Repurchase of common stock		(152)	(175)	[1]
Net cash used in financing activities of continuing operations		(182)	(173)	[1]
Cash flows from discontinued operations:
Operating cash flows		(1,357)	(771)	[1]
Investing cash flows			(184)	[1]
Net cash used in discontinued operations		(1,357)	(955)	[1]
Net effect of exchange rate changes on cash and cash equivalents		1,448	(3,715)	[1]
Net decrease in cash and cash equivalents		(499)	(15,607)	[1]
Cash and cash equivalents at beginning of period		52,369	111,225	[1]
Cash held in discontinued operations at end of period	(80)	(80)
Cash and cash equivalents at end of period	$ 51,790	$ 51,790	$ 95,618	[1]

[1] As Restated