Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Net revenue	$ 96,460	$ 106,234	$ 357,515	$ 441,988
Cost of revenue	94,286	97,222	339,234	397,544
Gross profit	2,174	9,012	18,281	44,444
Operating expenses
Selling, general and administrative	14,489	14,439	43,514	44,600
Amortization of intangible assets		131		667
Impairment of long-lived assets			305
Restructuring, net	182	1,994	1,429	4,936
Total operating expenses	14,671	16,564	45,248	50,203
Operating loss	(12,497)	(7,552)	(26,967)	(5,759)
Other income (expense):
Interest income	334	247	536	666
Interest expense	(2,833)	(2,613)	(8,339)	(7,899)
Other gains (losses), net	2,239	3,523	(5,869)	6,761
Impairment of investments in affiliates		(5,017)	(42)	(5,017)
Total other expense	(260)	(3,860)	(13,714)	(5,489)
Loss before income taxes	(12,757)	(11,412)	(40,681)	(11,248)
Income tax expense	408	694	1,464	2,400
Gains of affiliates, net of tax	(316)		(575)	(208)
Net loss	$ (12,849)	$ (12,106)	$ (41,570)	$ (13,440)
Basic net loss per share	$ (0.25)	$ (0.23)	$ (0.80)	$ (0.26)
Diluted net loss per share	$ (0.25)	$ (0.23)	$ (0.80)	$ (0.26)
Weighted average common shares used in:
Basic earnings per share	52,200	51,750	51,867	51,917
Diluted earnings per share	52,200	51,750	51,867	51,917