Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2020	Jul. 31, 2019
Assets
Cash and cash equivalents	$ 277,871	$ 44,535
Accounts receivable, net of allowance for doubtful accounts of $3,905 and $2,322	148,419	146,910
Inventories, net	167,960	138,234
Prepaid expenses and other current assets	18,443	20,920
Income taxes receivable	33,933	1,197
Total current assets	646,626	351,796
Property and equipment, net	225,222	185,242
Right-of-use assets, net	48,684	0
Intangible assets, net	480,032	141,513
Goodwill	660,172	378,109
Other long-term assets	6,231	9,425
Deferred income taxes	4,787	4,281
Total assets	2,071,754	1,070,366
Liabilities and stockholders’ equity
Accounts payable	42,008	39,450
Compensation payable	47,769	32,762
Accrued expenses	41,480	38,545
Deferred revenue	26,223	27,840
Current portion of long-term debt	7,375	10,000
Income taxes payable	4,373	2,803
Current portion of lease liabilities	10,268	0
Total current liabilities	179,496	151,400
Long-term debt	926,834	220,851
Convertible debt	124,835	0
Deferred income taxes	49,533	29,278
Long-term lease liabilities	40,679	0
Other long-term liabilities	20,778	7,300
Total liabilities	1,342,155	408,829
Commitments and Contingencies (Note 13)
Preferred stock, par value $1.00 per share; authorized 1,000,000 shares; none issued	0	0
Common stock, par value $0.10 per share; Authorized 75,000,000 shares; issued 46,812,750 shares and outstanding 42,162,218 shares as of July 31, 2020; issued 46,362,902 shares and outstanding 41,771,228 shares as of July 31, 2019	4,681	4,636
Additional paid-in capital	273,040	204,795
Retained earnings	548,334	539,097
Accumulated other comprehensive loss	(27,599)	(22,197)
Treasury stock; 4,650,532 shares at July 31, 2020; 4,591,674 shares at July 31, 2019	(68,857)	(64,794)
Total stockholders’ equity	729,599	661,537
Total liabilities and stockholders’ equity	$ 2,071,754	$ 1,070,366