CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 31, 2021	Jul. 31, 2021
Current assets:
Cash and cash equivalents	$ 157,553	$ 147,335
Accounts receivable, net of allowance for credit losses of $7,265 and $7,306, respectively	182,791	170,579
Inventories	152,295	136,107
Prepaid expenses and other current assets	12,452	11,083
Total current assets	505,091	465,104
Assets, Noncurrent [Abstract]
Property, plant and equipment—net	128,618	121,741
Goodwill	610,836	614,137
Other intangible assets	88,219	92,334
Deferred income taxes	16,377	16,343
Operating lease assets	36,655	41,880
Other assets	24,682	26,217
Total	1,410,478	1,377,756
Current liabilities:
Accounts payable	79,497	82,152
Accrued compensation and benefits	89,283	81,173
Taxes, other than income taxes	13,061	13,054
Accrued income taxes	5,593	3,915
Current operating lease liabilities	17,129	17,667
Other current liabilities	61,930	59,623
Total current liabilities	266,493	257,584
Long-term Line of Credit, Noncurrent	67,000	38,000
Long-term operating lease liabilities	23,434	28,347
Other liabilities	89,658	90,797
Total liabilities	446,585	414,728
Stockholders’ equity:
Additional paid-in capital	340,182	339,125
Retained earnings	811,820	788,369
Treasury stock—3,003,895 and 2,733,242 shares, respectively, of Class A nonvoting common stock, at cost	(127,986)	(109,061)
Accumulated other comprehensive loss	(60,671)	(55,953)
Total stockholders’ equity	963,893	963,028
Total	1,410,478	1,377,756
Class A nonvoting common stock
Stockholders’ equity:
Common Stock, Value, Issued	513	513
Class B Voting Common Stock
Stockholders’ equity:
Common Stock, Value, Issued	$ 35	$ 35