Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Net revenue	$ 723,400	$ 754,504	$ 713,947
Cost of revenue	648,675	680,134	645,388
Gross profit	74,725	74,370	68,559
Operating expenses
Selling, general and administrative	72,020	86,972	94,737
Amortization of intangible assets	1,097	1,133	1,139
Impairment of long-lived assets	500		1,128
Restructuring, net	6,557	14,497	6,416
Total operating expenses	80,174	102,602	103,420
Operating loss	(5,449)	(28,232)	(34,861)
Other income (expense):
Interest income	382	300	380
Interest expense	(5,009)	(612)	(373)
Other gains (losses), net	(50)	(2,642)	14,390
Impairment of investments in affiliates	(1,420)	(2,750)	(2,864)
Total other income (expense)	(6,097)	(5,704)	11,533
Loss from continuing operations before income taxes	(11,546)	(33,936)	(23,328)
Income tax expense	4,682	3,779	3,035
Equity in losses of affiliates, net of tax	134	1,615	1,245
Income (loss) from continuing operations	(16,362)	(39,330)	(27,608)
Discontinued operations, net of income taxes:
Income (loss) from discontinued operations	80	(1,025)	(10,500)
Net loss	$ (16,282)	$ (40,355)	$ (38,108)
Net loss per share-basic and diluted:
Loss from continuing operations	$ (0.32)	$ (0.84)	$ (0.63)
Loss from discontinued operations	$ 0.00	$ (0.02)	$ (0.24)
Net loss	$ (0.32)	$ (0.86)	$ (0.87)
Weighted average common shares outstanding-basic and diluted	51,582	46,654	43,565