CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Jul. 31, 2011
Current assets:
Cash and cash equivalents	$ 78,450	$ 111,225	[1]
Available-for-sale securities	132	131	[1]
Accounts receivable, trade, net of allowance for doubtful accounts of $385 and $473, at April 30, 2012 and July 31, 2011, respectively	163,824	146,411	[1]
Inventories, net	93,653	76,883	[1]
Prepaid expenses and other current assets	9,250	10,876	[1]
Total current assets	345,309	345,526	[1]
Property and equipment, net	42,648	47,403	[1]
Investments in affiliates	10,796	12,016	[1]
Goodwill	3,058	3,058	[1]
Other intangible assets, net	3,182	4,699	[1]
Other assets	10,081	9,545	[1]
Total assets	415,074	422,247	[1]
Current liabilities:
Current installments of obligations under capital leases	79	94	[1]
Accounts payable	135,775	114,588	[1]
Current portion of accrued restructuring	1,721	1,456	[1]
Accrued income taxes		180	[1]
Accrued expenses	40,037	36,384	[1]
Other current liabilities	31,735	38,624	[1]
Current liabilities of discontinued operations	1,485	1,817	[1]
Total current liabilities	210,832	193,143	[1]
Long-term portion of accrued restructuring	98	8	[1]
Obligations under capital leases, less current installments	87	86	[1]
Other long-term liabilities	11,107	12,585	[1]
Non-current liabilities of discontinued operations	673	1,883	[1]
Stockholders' equity:
Preferred stock, $0.01 par value per share. Authorized 5,000,000 shares; zero issued or outstanding at April 30, 2012 and July 31, 2011			[1]
Common stock, $0.01 par value per share. Authorized 1,400,000,000 shares; 44,255,430 issued and outstanding shares at April 30, 2012; 43,829,097 issued and outstanding shares at July 31, 2011	443	438	[1]
Additional paid-in capital	7,389,452	7,387,135	[1]
Accumulated deficit	(7,216,536)	(7,198,667)	[1]
Accumulated other comprehensive income	18,918	25,636	[1]
Total stockholders' equity	192,277	214,542	[1]
Total liabilities and stockholders' equity	$ 415,074	$ 422,247	[1]

[1] As Restated