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CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - 6 months ended Feb. 28, 2017 - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Treasury Stock [Member]
Total
Beginning balance at Aug. 31, 2016 $ 20 $ 145,936 $ 289,642 $ (27,298) $ (267,905) $ 140,395
Beginning balance, shares at Aug. 31, 2016 19,621,820       5,413,482 14,208,338
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes   (1,333)       $ (1,333)
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares 54,803          
Stock-based compensation   2,959       2,959
Tax benefits from settlements of stock-based equity awards   936       936
Cash dividends ($0.91 per share)     (12,963)     (12,963)
Acquisition of treasury stock         $ (18,718) (18,718)
Acquisition of treasury stock, shares         174,337  
Foreign currency translation adjustment       (5,830)   (5,830)
Net income     24,118     24,118
Ending balance at Feb. 28, 2017 $ 20 $ 148,498 $ 300,797 $ (33,128) $ (286,623) $ 129,564
Ending balance, shares at Feb. 28, 2017 19,676,623       5,587,819 14,088,804