CONSOLIDATED STATEMENTS OF EQUITY - 6 months ended Feb. 28, 2017 - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (loss)	Retained Earnings	Total
Balance at Aug. 31, 2016	$ 928	$ 14,719	$ (15,479)	$ 173,921	$ 174,089
Balance (in shares) at Aug. 31, 2016	9,278,486
Increase (Decrease) in Stockholders' Equity
Restricted stock grants, net of forfeitures	$ 4	(4)
Restricted stock grants, net of forfeitures (in shares)	44,567
Amortization of restricted stock grants		841			841
Amortization of stock option grants		249			249
Exercise of stock options	$ 5	936			941
Exercise of stock options (in shares)	53,205
Common stock received for payment of stock option exercises	$ (1)	(845)			(846)
Common stock received for payment of stock option exercises (in shares)	(11,905)
Common stock retained to pay statutory minimum withholding taxes on common stock	$ (1)	(992)			(993)
Common stock retained to pay statutory minimum withholding taxes on common stock (in shares)	(13,473)
Cash dividend paid, $0.70 per share (per share)				(6,532)	(6,532)
Change in funded status of pension plan, net of tax $156			294		294
Foreign currency translation adjustment			(2,135)		(2,135)
Net unrealized gain on restricted investments, net of tax $7			46		46
Net Income				18,746	18,746
Balance at Feb. 28, 2017	$ 935	$ 14,904	$ (17,274)	$ 186,135	$ 184,700
Balance (in shares) at Feb. 28, 2017	9,350,880