CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2018	Jan. 31, 2017
Net revenue	$ 151,119	$ 117,568	$ 253,641	$ 238,895
Cost of revenue	134,169	106,370	227,617	218,364
Gross profit	16,950	11,198	26,024	20,531
Operating expenses
Selling, general and administrative	30,107	11,926	42,974	25,527
Amortization of intangible assets	4,107		4,107
Gain on sale of property	(12,692)		(12,692)
Restructuring, net	4	776	41	2,150
Total operating expenses	21,526	12,702	34,430	27,677
Operating loss	(4,576)	(1,504)	(8,406)	(7,146)
Other income (expense):
Interest income	92	15	256	180
Interest expense	(6,575)	(2,109)	(8,682)	(4,138)
Other gains (losses), net	(1,716)	1,019	(294)	531
Total other income (expense)	(8,199)	(1,075)	(8,720)	(3,427)
Loss before income taxes	(12,775)	(2,579)	(17,126)	(10,573)
Income tax expense (benefit)	(77,664)	723	(76,577)	1,772
Gains on investments in affiliates, net of tax	(200)	(396)	(401)	(896)
Net income (loss)	65,089	(2,906)	59,852	(11,449)
Less: Preferred dividends on redeemable preferred stock	(259)		(259)
Net income (loss) attributable to common stockholders	$ 64,830	$ (2,906)	$ 59,593	$ (11,449)
Basic net earning (loss) per share attributable to common stockholders:	$ 1.11	$ (0.05)	$ 1.05	$ (0.21)
Diluted net earning (loss) per share attributable to common stockholders:	$ 0.85	$ (0.05)	$ 0.87	$ (0.21)
Weighted average common shares used in:
Basic earnings per share	58,341	55,083	56,776	55,031
Diluted earnings per share	79,083	55,083	72,883	55,031