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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - 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, 2013 $ 19 $ 133,239 $ 214,034 $ (5,043) $ (162,742) $ 179,507
Beginning balance, shares at Aug. 31, 2013 19,392,979       4,107,443  
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes   (129)       (129)
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares 71,331          
Stock-based compensation   2,263       2,263
Tax benefits from settlements of stock-based equity awards   839       839
Cash dividends ($1.22 per share)     (20,184)     (20,184)
Acquisition of treasury stock         $ (42,773) (42,773)
Acquisition of treasury stock, shares         602,505  
Foreign currency translation adjustment       6,146   6,146
Net income     43,746     43,746
Ending balance at Aug. 31, 2014 $ 19 136,212 237,596 1,103 $ (205,515) 169,415
Ending balance, shares at Aug. 31, 2014 19,464,310       4,709,948  
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes $ 1 1,449       1,450
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares 82,578          
Stock-based compensation   2,782       2,782
Tax benefits from settlements of stock-based equity awards   1,208       1,208
Cash dividends ($1.22 per share)     (21,720)     (21,720)
Acquisition of treasury stock         $ (30,259) (30,259)
Acquisition of treasury stock, shares         386,450  
Foreign currency translation adjustment       (9,825)   (9,825)
Net income     44,807     44,807
Ending balance at Aug. 31, 2015 $ 20 141,651 260,683 (8,722) $ (235,774) $ 157,858
Ending balance, shares at Aug. 31, 2015 19,546,888       5,096,398 14,450,490
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes   (1,434)       $ (1,434)
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares 74,932          
Stock-based compensation   3,655       3,655
Tax benefits from settlements of stock-based equity awards   2,064       2,064
Cash dividends ($1.22 per share)     (23,669)     (23,669)
Acquisition of treasury stock         $ (32,131) (32,131)
Acquisition of treasury stock, shares         317,084  
Foreign currency translation adjustment       (18,576)   (18,576)
Net income     52,628     52,628
Ending balance at Aug. 31, 2016 $ 20 $ 145,936 $ 289,642 $ (27,298) $ (267,905) $ 140,395
Ending balance, shares at Aug. 31, 2016 19,621,820       5,413,482 14,208,338