CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Cash flows from operating activities:
Net loss	$ (5,284)	$ (66,727)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	23,075	22,058
Amortization of intangible assets	27,255	30,446
Amortization of deferred financing costs	435	771
Accretion of debt discount	622	3,433
Impairment of long-lived assets	0	3,015
Share-based compensation	720	1,267
Other gains, net	(2,098)	(4,603)
Gains on investments in affiliates	0	(42)
Changes in operating assets and liabilities:
Accounts receivable, net	20,305	(14,090)
Inventories, net	8,510	2,482
Prepaid expenses and other current assets	12,396	5,519
Accounts payable and accrued expenses	(17,464)	36,486
Refundable and accrued income taxes, net	(630)	(1,482)
Other assets and liabilities	3,782	2,316
Net cash provided by operating activities	71,624	20,849
Cash flows from investing activities:
Additions to property and equipment	(12,070)	(14,539)
Proceeds from the disposition of property and equipment	21	19
Proceeds from the sale of available-for-sale securities	163	0
Proceeds from investments in affiliates	0	42
Net cash used in investing activities	(11,886)	(14,478)
Cash flows from financing activities:
Proceeds from issuance of convertible note	0	14,940
Proceeds from the Cerberus revolving facility	19,000	10,000
Payments on the Cerberus revolving facility	(25,000)	(4,000)
Payments on maturity of convertible notes	0	(63,925)
Payments of long-term debt	(3,154)	(14,879)
Payments of debt financing and amendment costs	(914)	0
Payments of preferred dividends	(2,135)	(2,129)
Purchases of the Company's convertible notes	0	(3,700)
Repayments on capital lease obligations	(100)
Repayments on capital lease obligations		(134)
Proceeds from issuance of common stock	19	15
Net cash used in financing activities	(12,284)	(63,812)
Net effect of exchange rate changes on cash and cash equivalents	1,124	(321)
Net increase (decrease) in cash, cash equivalents and restricted cash	48,578	(57,762)
Cash, cash equivalents and restricted cash, beginning of period	46,064	103,826
Cash, cash equivalents and restricted cash, end of period	$ 94,642	$ 46,064