CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Net revenue:
Total net revenue	$ 782,813	$ 819,830
Cost of revenue:
Cost of revenue	619,854	670,100
Gross profit	162,959	149,730
Operating expenses:
Selling, general and administrative	103,261	144,078
Amortization of intangible assets	27,255	30,446
Loss on sale of property	0	485
Total operating expenses	130,516	175,009
Operating income (loss)	32,443	(25,279)
Other income (expense):
Interest income	61	528
Interest expense	(33,969)	(41,951)
Other gains, net	2,098	4,603
Total other expense	(31,810)	(36,820)
Income (loss) before income taxes	633	(62,099)
Income tax expense	5,917	4,670
Gains on investments in affiliates, net of tax	0	(42)
Net loss	(5,284)	(66,727)
Less: Preferred dividends on redeemable preferred stock	(2,129)	(2,129)
Net loss attributable to common stockholders	$ (7,413)	$ (68,856)
Basic net loss per share attributable to common stockholders (in usd per share)	$ (0.12)	$ (1.13)
Diluted net loss per share attributable to common stockholders (in usd per share)	$ (0.12)	$ (1.13)
Weighted average common shares used in:
Basic loss per share (in shares)	61,644	61,180
Diluted loss per share (in shares)	61,644	61,180
Products
Net revenue:
Total net revenue	$ 444,360	$ 486,902
Cost of revenue:
Cost of revenue	345,173	372,683
Services
Net revenue:
Total net revenue	338,453	332,928
Cost of revenue:
Cost of revenue	$ 274,681	$ 297,417