CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Apr. 30, 2012		Apr. 30, 2011
Cash flows from operating activities of continuing operations:
Net loss	$ (17,869)		$ (30,013)	[1]
Income (loss) from discontinued operations	572		(239)	[1]
Loss from continuing operations	(18,441)		(29,774)	[1]
Adjustments to reconcile loss from continuing operations to net cash (used in) provided by operating activities of continuing operations:
Depreciation	10,698		12,359	[1]
Impairment of goodwill and long-lived assets	2,062		27,166	[1]
Amortization of intangible assets	995		4,420	[1]
Share-based compensation	2,407		2,619	[1]
Non-operating gains, net	(8,930)		(9,607)	[1]
Equity in losses of affiliates and impairments	3,825		2,214	[1]
Changes in operating assets and liabilities:
Trade accounts receivable, net	(21,429)		32,333	[1]
Inventories	(18,701)		(4,336)	[1]
Prepaid expenses and other current assets	698		790	[1]
Accounts payable, accrued restructuring and accrued expenses	29,245		(39,440)	[1]
Refundable and accrued income taxes, net	(5,700)		675	[1]
Other assets and liabilities	6,944		929	[1]
Net cash (used in) provided by operating activities of continuing operations	(16,327)		348	[1]
Cash flows from investing activities of continuing operations:
Additions to property and equipment	(9,076)		(6,523)	[1]
Proceeds from the sale of available-for-sale securities			115	[1]
Proceeds from the sale of equity investments in affiliates	24		52	[1]
Investments in affiliates	(2,604)		(2,473)	[1]
Net cash used in investing activities of continuing operations	(11,656)		(8,829)	[1]
Cash flows from financing activities of continuing operations:
Payment of dividends			(40,001)	[1]
Proceeds from revolving line of credit	10,000
Repayments of revolving line of credit	(10,000)
Repayments on capital lease obligations	(92)		(78)	[1]
Proceeds from issuance of common stock	91		168	[1]
Repurchase of common stock	(176)		(1,622)	[1]
Net cash used in financing activities of continuing operations	(177)		(41,533)	[1]
Cash flows from discontinued operations:
Operating cash flows	(1,237)		(1,263)	[1]
Net cash used in discontinued operations	(1,237)		(1,263)	[1]
Net effect of exchange rate changes on cash and cash equivalents	(3,378)		9,033	[1]
Net decrease in cash and cash equivalents	(32,775)		(42,244)	[1]
Cash and cash equivalents at beginning of period	111,225	[1]	161,364	[1]
Cash and cash equivalents at end of period	$ 78,450		$ 119,120	[1]

[1] As Restated