CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 31, 2018	Jul. 31, 2018
ASSETS
Cash and cash equivalents	$ 83,366	$ 92,138
Trading securities	0	0
Accounts receivable, trade, net of allowance for doubtful accounts of $481 and $480 at October 31, 2018 and July 31, 2018, respectively	115,747	99,254
Inventories, net	29,969	47,786
Restricted cash	12,785	11,688
Prepaid expenses and other current assets	34,187	13,415
Total current assets	276,054	264,281
Property and equipment, net	104,658	106,632
Goodwill	254,352	254,352
Other intangible assets, net	184,865	192,964
Other assets	7,798	8,821
Total assets	827,727	827,050
LIABILITIES, CONTINGENTLY REDEEMABLE PREFERRED STOCK & STOCKHOLDERS' EQUITY
Accounts payable	90,773	78,212
Accrued expenses	84,929	88,330
Restricted cash	12,785	11,688
Current portion of long-term debt	5,727	5,727
Other current liabilities	38,408	42,125
Convertible Notes payable	47,575	50,274
Total current liabilities	280,197	276,356
Convertible Notes payable	14,510	14,256
Long-term debt, excluding current portion	381,679	383,111
Other long-term liabilities	10,712	10,507
Total long-term liabilities	406,901	407,874
Total liabilities	687,098	684,230
Contingently redeemable preferred stock, $0.01 par value per share. 35,000 shares authorized, issued and outstanding at October 31, 2018 and July 31, 2018	35,198	35,192
Stockholders' equity:
Preferred stock, $0.01 par value per share. 4,965,000 shares authorized, issued and outstanding at October 31, 2018 and July 31, 2018
Common stock, $0.01 par value per share. Authorized 1,400,000,000 shares; 61,386,888 issued and outstanding shares at October 31, 2018; 60,742,859 issued and outstanding shares at July 31, 2018	614	608
Additional paid-in capital	7,468,647	7,467,855
Accumulated deficit	(7,365,332)	(7,363,569)
Accumulated other comprehensive income	1,502	2,734
Total stockholders' equity	105,431	107,628
Total liabilities, contingently redeemable preferred stock and stockholders' equity	$ 827,727	$ 827,050