CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Operating activities:
Net income	$ 149,979	$ 129,659	$ 112,369
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	34,182	25,483	23,437
Stock-based compensation expense	10,504	10,098	8,843
Deferred income tax (benefit) expense, total company	(1,645)	(8,965)	(764)
Impairment charges	0	0	13,821
Equity in losses of unconsolidated affiliate	0	5,754	246
Other	1,197	(831)	2,611
Changes in operating assets and liabilities (net of effects of business acquisitions):
Accounts receivable	(25,330)	(12,614)	13,902
Inventories	(62,907)	7,298	(13,917)
Prepaid expenses and other assets	807	(4,498)	4,477
Accounts payable and accrued liabilities	6,826	58,283	(26,128)
Income taxes	4,836	(4,002)	2,080
Net cash provided by operating activities	118,449	205,665	140,977
Investing activities:
Purchases of property, plant and equipment	(43,138)	(27,189)	(27,277)
Acquisition of businesses, net of cash acquired	0	(243,983)	0
Other	67	2,580	(8,842)
Net cash used in investing activities	(43,071)	(268,592)	(36,119)
Financing activities:
Payment of dividends	(45,931)	(45,746)	(45,756)
Proceeds from exercise of stock options	1,082	1,765	5,511
Payments for employee taxes withheld from stock-based awards	(5,127)	(2,783)	(9,065)
Purchase of treasury stock	(109,229)	(3,593)	(64,514)
Proceeds from borrowing on credit facilities	243,716	101,957	20,697
Repayments of Lines of Credit	186,716	63,957	21,855
Principal payments on debt	0	0	(48,672)
Other	116	33	134
Net cash used in financing activities	(102,089)	(12,324)	(163,520)
Effect of exchange rate changes on cash and cash equivalents	(6,555)	4,943	(2,767)
Net decrease in cash and cash equivalents	(33,266)	(70,308)	(61,429)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	147,335	217,643	279,072
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Ending Balance	114,069	147,335	217,643
Supplemental Cash Flow Information
Interest	1,082	373	2,401
Income taxes	$ 33,834	$ 46,852	$ 29,600