Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Feb. 28, 2023	Aug. 31, 2022	Feb. 28, 2022
Current assets:
Cash and cash equivalents	$ 97,675	$ 105,048	$ 68,951
Marketable securities	8,763	11,460	24,934
Receivables, net of allowance of $4,959, $3,726, and $4,118, respectively	167,007	138,200	134,694
Inventories, net	178,703	193,776	187,328
Other current assets, net	27,973	28,617	34,350
Total current assets	480,121	477,101	450,257
Property, plant, and equipment:
Cost	246,396	240,981	234,183
Less accumulated depreciation	(152,558)	(146,509)	(141,892)
Property, plant, and equipment, net	93,838	94,472	92,291
Intangibles, net	17,329	18,208	19,311
Goodwill	67,409	67,130	67,679
Operating lease right-of-use assets	17,984	19,181	16,724
Deferred income tax assets	9,518	9,313	5,352
Other noncurrent assets	22,881	25,248	24,970
Total assets	709,080	710,653	676,584
Current liabilities:
Accounts payable	52,998	60,036	74,345
Current portion of long-term debt	224	222	220
Other current liabilities	79,566	100,684	86,837
Total current liabilities	132,788	160,942	161,402
Pension benefits liabilities	4,733	4,892	5,567
Long-term debt	115,253	115,341	115,428
Operating lease liabilities	18,659	19,810	17,170
Deferred income tax liabilities	702	1,054	783
Other noncurrent liabilities	14,673	15,256	19,696
Total liabilities	286,808	317,295	320,046
Shareholders' equity:
Preferred stock of $1 par value - authorized 2,000 shares; no shares issued and outstanding	0	0	0
Common stock of $1 par value - authorized 25,000 shares; 19,091, 19,061, and 19,063 shares issued, respectively	19,091	19,063	19,061
Capital in excess of stated value	94,834	94,006	90,711
Retained earnings	607,784	579,000	543,355
Less treasury stock - at cost, 8,083 shares	(277,238)	(277,238)	(277,238)
Accumulated other comprehensive loss, net	(22,199)	(21,473)	(19,351)
Total shareholders' equity	422,272	393,358	356,538
Total liabilities and shareholders' equity	$ 709,080	$ 710,653	$ 676,584