CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019
Revenue
Revenue	$ 65,582	$ 66,631	$ 132,384	$ 139,134
Costs and Expenses
Cost of products and services sold	40,666	43,213	82,449	89,788
Selling, general and administrative expenses	13,810	13,086	27,450	26,448
Operations optimization costs (Note 15)	60		709	260
Loss on impairment of goodwill (Note 7)		2,410		2,410
Operating income	11,046	7,922	21,776	20,228
Interest expense	(56)	(162)	(111)	(366)
Other income (expense)	(185)	(828)	(789)	(1,122)
Income before income taxes	10,805	6,932	20,876	18,740
Income taxes (Note 17)	2,926	1,659	5,635	4,644
Net income	$ 7,879	$ 5,273	$ 15,241	$ 14,096
Net income available to common shareholders, per common and common equivalent share (Note 4)
Basic	$ 0.83	$ 0.56	$ 1.62	$ 1.50
Diluted	$ 0.83	$ 0.56	$ 1.60	$ 1.49
Weighted average shares outstanding
Basic	9,355,821	9,332,288	9,353,985	9,330,929
Diluted	9,444,211	9,373,030	9,439,215	9,377,167
Annual cash dividends declared per share			$ 0.80	$ 0.80
Product
Revenue
Revenue	$ 64,626	$ 65,442	$ 130,383	$ 136,806
Royalties and commissions
Revenue
Revenue	$ 956	$ 1,189	$ 2,001	$ 2,328