CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Condensed Consolidated Statements Of Operations [Abstract]
Net sales	$ 123,667	$ 136,405	$ 388,399	$ 372,869
Cost of products sold	64,682	63,947	195,426	168,158
Gross profit	58,985	72,458	192,973	204,711
Operating expenses:
Selling, general and administrative	33,621	38,131	106,863	109,586
Advertising and sales promotion	6,022	6,642	17,242	17,673
Amortization of definite-lived intangible assets	358	364	1,081	1,084
Total operating expenses	40,001	45,137	125,186	128,343
Income from operations	18,984	27,321	67,787	76,368
Other income (expense):
Interest income	27	21	73	59
Interest expense	(669)	(615)	(1,902)	(1,795)
Other (expense) income, net	(42)	183	(119)	513
Income before income taxes	18,300	26,910	65,839	75,145
Provision for income taxes	3,820	5,904	13,296	13,325
Net income	$ 14,480	$ 21,006	$ 52,543	$ 61,820
Earnings per common share:
Basic	$ 1.07	$ 1.53	$ 3.83	$ 4.50
Diluted	$ 1.07	$ 1.52	$ 3.82	$ 4.48
Shares used in per share calculations:
Basic	13,656	13,708	13,683	13,694
Diluted	13,680	13,746	13,712	13,727