CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2019	Apr. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ (28,745)	$ 44,248
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	16,331	11,388
Amortization of intangible assets	23,168	12,071
Amortization of deferred financing costs	703	748
Accretion of debt discount	2,741	3,230
Impairment of long-lived assets	469	0
Share-based compensation	1,174	9,657
Other (gains) losses, net	832	(13,137)
Gains on investments in affiliates and impairments	(42)	(601)
Changes in operating assets and liabilities
Accounts receivable, net	(15,111)	30,600
Inventories, net	859	16,350
Prepaid expenses and other current assets	3,548	1,483
Accounts payable and accrued expenses	(2,795)	(32,508)
Refundable and accrued income taxes, net	(2,059)	9,123
Deferred tax assets and liabilities	1,563	(75,775)
Other assets and liabilities	(6,252)	(13,882)
Net cash provided by (used in) operating activities	(3,616)	2,995
Cash flows from investing activities:
Payments to acquire business	0	(469,221)
Additions to property and equipment	(11,840)	(13,610)
Proceeds from the disposition of property and equipment	19	20,747
Proceeds from the sale of trading securities	0	13,775
Proceeds from investments in affiliates	42	601
Net cash used in investing activities	(11,779)	(447,708)
Cash flows from financing activities:
Proceeds from long-term debt	0	393,000
Proceeds from issuance of preferred stock	0	35,000
Proceeds from issuance of Convertible Note	14,940	0
Proceeds from revolving line of credit, net	10,000	6,000
Payments on maturity of Convertible Notes	(63,925)	0
Payment of long-term debt	(13,376)	(1,500)
Payment of deferred financing costs	0	(1,334)
Payment of preferred dividends	(1,598)	(612)
Purchase of the Company's Convertible Notes	(3,700)	0
Repayments on capital lease obligations	(114)	(178)
Proceeds from issuance of common stock	15	3
Net cash provided by (used in) financing activities	(57,758)	430,379
Net effect of exchange rate changes on cash, cash equivalents, and restricted cash	(239)	714
Net decrease in cash, cash equivalents, and restricted cash	(73,392)	(13,620)
Cash, cash equivalents, and restricted cash, beginning of period	103,826	124,124
Cash, cash equivalents, and restricted cash, end of period	$ 30,434	$ 110,504