Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Feb. 28, 2022	Aug. 31, 2021	Feb. 28, 2021
Current assets:
Cash and cash equivalents	$ 68,951	$ 127,107	$ 110,775
Marketable securities	24,934	19,604	19,555
Receivables, net of allowance of $3,726, $3,021, and $3,422, respectively	134,694	93,609	94,211
Inventories, net	187,328	145,244	121,566
Other current assets, net	34,350	30,539	29,509
Total current assets	450,257	416,103	375,616
Property, plant, and equipment:
Cost	234,183	229,000	223,418
Less accumulated depreciation	(141,892)	(137,003)	(134,197)
Property, plant, and equipment, net	92,291	91,997	89,221
Intangibles, net	19,311	20,367	22,383
Goodwill	67,679	67,968	68,087
Operating lease right-of-use assets	16,724	18,281	20,173
Deferred income tax assets	5,352	8,113	10,347
Other noncurrent assets	24,970	14,356	10,821
Total assets	676,584	637,185	596,648
Current liabilities:
Accounts payable	74,345	45,209	39,934
Current portion of long-term debt	220	217	215
Other current liabilities	86,837	92,814	74,687
Total current liabilities	161,402	138,240	114,836
Pension benefits liabilities	5,567	5,754	6,182
Long-term debt	115,428	115,514	115,599
Operating lease liabilities	17,170	18,301	20,174
Deferred income tax liabilities	783	832	900
Other noncurrent liabilities	19,696	20,099	19,933
Total liabilities	320,046	298,740	277,624
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; 19,061, 18,990, and18,991 shares issued, respectively	19,061	18,991	18,990
Capital in excess of stated value	90,711	86,495	84,206
Retained earnings	543,355	528,130	511,728
Less treasury stock - at cost, 8,083 shares	(277,238)	(277,238)	(277,238)
Accumulated other comprehensive loss, net	(19,351)	(17,933)	(18,662)
Total shareholders' equity	356,538	338,445	319,024
Total liabilities and shareholders' equity	$ 676,584	$ 637,185	$ 596,648