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Condensed Consolidated Statements Of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 30, 2017	Nov. 30, 2016
Operating revenues	$ 124,526	$ 110,390
Cost of operating revenues	92,129	82,016
Gross profit	32,397	28,374
Operating expenses:
Selling expense	10,225	9,982
General and administrative expense	11,918	11,355
Engineering and research expense	4,053	4,302
Total operating expenses	26,196	25,639
Operating income	6,201	2,735
Other income (expense):
Interest expense	(1,181)	(1,209)
Interest income	320	165
Other expense, net	(548)	(356)
Earnings before income taxes	4,792	1,335
Income tax expense	1,607	462
Net earnings	$ 3,185	$ 873
Earnings per share:
Basic	$ 0.30	$ 0.08
Diluted	$ 0.30	$ 0.08
Shares used in computing earnings per share:
Basic	10,705	10,638
Diluted	10,740	10,666
Cash dividends declared per share	$ 0.30	$ 0.29

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