CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jan. 31, 2013	Oct. 31, 2012	Jan. 31, 2012		Jan. 31, 2013	Jan. 31, 2012
Net revenue	$ 203,436		$ 169,435	[1]	$ 400,487	$ 367,265	[1]
Cost of revenue	183,158		154,026	[1]	361,585	326,084	[1]
Gross profit	20,278		15,409	[1]	38,902	41,181	[1]
Operating expenses
Selling, general and administrative	23,721		23,181	[1]	47,862	44,330	[1]
Amortization of intangible assets	285		285	[1]	569	569	[1]
Restructuring, net	4,798	1,500	4,463	[1]	6,268	5,219	[1]
Total operating expenses	28,804		27,929	[1]	54,699	50,118	[1]
Operating loss	(8,526)		(12,520)	[1]	(15,797)	(8,937)	[1]
Other income (expense):
Interest income	88		122	[1]	166	244	[1]
Interest expense	(101)		(98)	[1]	(199)	(189)	[1]
Other gains (losses), net	(978)		825	[1]	(2,299)	2,052	[1]
Equity in losses of affiliates and impairments	(2,226)		(290)	[1]	(2,536)	(717)	[1]
Total other income (expense)	(3,217)		559	[1]	(4,868)	1,390	[1]
Loss from continuing operations before income taxes	(11,743)		(11,961)	[1]	(20,665)	(7,547)	[1]
Income tax expense	674		380	[1]	1,583	2,251	[1]
Loss from continuing operations	(12,417)		(12,341)	[1]	(22,248)	(9,798)	[1]
Discontinued operations, net of income taxes:
Loss from discontinued operations, net of gain of $709 on the disposition of TFL during the three and six months ended January 31, 2013	(133)		(535)	[1]	(960)	(1,933)	[1]
Net loss	$ (12,550)		$ (12,876)	[1]	$ (23,208)	$ (11,731)	[1]
Basic and diluted loss per share:
Loss from continuing operations	$ (0.29)		$ (0.29)	[1]	$ (0.51)	$ (0.23)	[1]
Loss from discontinued operations			$ (0.01)	[1]	$ (0.02)	$ (0.04)	[1]
Net loss	$ (0.29)		$ (0.30)	[1]	$ (0.53)	$ (0.27)	[1]
Shares used in computing basic earnings per share:	43,654		43,434	[1]	43,629	43,367	[1]
Shares used in computing diluted earnings per share:	43,654		43,434	[1]	43,629	43,367	[1]

[1] As Restated