CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Operating activities:
Net income	$ 39,441	$ 35,046
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,665	8,509
Stock-based compensation expense	2,958	4,129
Deferred income taxes	(1,705)	(625)
Other	(383)	(187)
Changes in operating assets and liabilities:
Accounts receivable	(627)	(13,302)
Inventories	(9,582)	(16,579)
Prepaid expenses and other assets	(2,563)	(655)
Accounts payable and accrued liabilities	(14,150)	9,499
Income taxes	5,945	1,656
Net cash provided by operating activities	27,999	27,491
Investing activities:
Purchases of property, plant and equipment	(3,861)	(11,328)
Other	0	2
Net cash used in investing activities	(3,861)	(11,326)
Financing activities:
Payment of dividends	(11,376)	(11,595)
Proceeds from exercise of stock options	349	151
Payments for employee taxes withheld from stock-based awards	(1,504)	(3,339)
Purchase of treasury stock	(12,070)	(18,924)
Proceeds from borrowing on credit facilities	36,000	56,200
Repayment of borrowing on credit facilities	(32,000)	(27,200)
Other	66	115
Net cash used in financing activities	(20,535)	(4,592)
Effect of exchange rate changes on cash and cash equivalents	(3,201)	(1,355)
Net increase in cash and cash equivalents	402	10,218
Cash and cash equivalents, beginning of period	114,069	147,335
Cash and cash equivalents, end of period	$ 114,471	$ 157,553