CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Operating activities:
Net income	$ 68,861	$ 64,341
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	16,996	11,421
Stock-based compensation expense	7,170	5,471
Deferred income taxes	(788)	(3,866)
Equity in losses of unconsolidated affiliate	0	505
Other	(812)	121
Changes in operating assets and liabilities:
Accounts receivable	(7,216)	(4,157)
Inventories	(34,360)	15,018
Prepaid expenses and other assets	(1,148)	(2,436)
Accounts payable and accrued liabilities	(25,357)	11,990
Income taxes	982	481
Net cash provided by operating activities	24,328	98,889
Investing activities:
Purchases of property, plant and equipment	(16,440)	(14,511)
Other	59	(1,881)
Net cash used in investing activities	(16,381)	(16,392)
Financing activities:
Payment of dividends	(23,249)	(22,837)
Proceeds from exercise of stock options	374	471
Payments for employee taxes withheld from stock-based awards	(5,025)	(2,638)
Purchase of treasury stock	(21,720)	(3,593)
Proceeds from borrowing on credit facilities	131,216	19,957
Repayment of borrowing on credit facilities	(86,216)	(20,220)
Other	115	32
Net cash used in financing activities	(4,505)	(28,828)
Effect of exchange rate changes on cash	(3,370)	6,276
Net increase in cash and cash equivalents	72	59,945
Cash and cash equivalents, beginning of period	147,335	217,643
Cash and cash equivalents, end of period	$ 147,407	$ 277,588