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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $)
In Thousands
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Noncontrolling Interest [Member]
Total
Balance at Jan. 31, 2013 $ 299 $ (219,550) $ 143,575 $ 322,028 $ 27,931 $ 274,283
Balance (in Shares) at Jan. 31, 2013 29,853 21,701        
Net income       9,332 1,486 10,818
Treasury stock acquired   (856)       (856)
Treasury stock acquired (in Shares)   46        
Stock options and related tax effects   636 213     849
Stock options and related tax effects (in Shares)   (62)        
Balance at Jul. 31, 2013 299 (219,770) 143,788 331,360 29,417 285,094
Balance (in Shares) at Jul. 31, 2013 29,853 21,685        
Balance at Jan. 31, 2014 299 (222,170) 144,051 357,101 31,472 310,753
Balance (in Shares) at Jan. 31, 2014 29,853 21,753        
Net income       43,649 7,269 50,918
Treasury stock acquired   (100)       (100)
Treasury stock acquired (in Shares)   2        
Noncontrolling interests distribution and other         (39) (39)
Stock options and related tax effects   851 740     1,591
Stock options and related tax effects (in Shares)   (84)        
Balance at Jul. 31, 2014 $ 299 $ (221,419) $ 144,791 $ 400,750 $ 38,702 $ 363,123
Balance (in Shares) at Jul. 31, 2014 29,853 21,671