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Consolidated Condensed Statements Of Equity (USD $)
In Thousands, except Share data
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Noncontrolling Interest [Member]
Total
Balance at Jan. 31, 2012 $ 299 $ (215,105) $ 142,994 $ 324,323 $ 29,332 $ 281,843
Balance (in Shares) at Jan. 31, 2012 29,853,000 21,523,000        
Net income       2,148 1,526 3,674
Treasury stock acquired   (4,905)       (4,905)
Treasury stock acquired (in Shares)   246,000       32,935
Noncontrolling interests distribution and other         (2,085) (2,085)
Stock options and related tax effects   999 673     1,672
Stock options and related tax effects (in Shares)   (99,000)        
Balance at Oct. 31, 2012 299 (219,011) 143,667 326,471 28,773 280,199
Balance (in Shares) at Oct. 31, 2012 29,853,000 21,670,000        
Balance at Jan. 31, 2013 299 (219,550) 143,575 322,028 27,931 274,283
Balance (in Shares) at Jan. 31, 2013 29,853,000 21,701,000        
Net income       19,199 3,097 22,296
Treasury stock acquired   (3,079)       (3,079)
Treasury stock acquired (in Shares)   123,000        
Noncontrolling interests distribution and other         (5) (5)
Stock options and related tax effects   637 213     850
Stock options and related tax effects (in Shares)   (62,000)        
Balance at Oct. 31, 2013 $ 299 $ (221,992) $ 143,788 $ 341,227 $ 31,023 $ 294,345
Balance (in Shares) at Oct. 31, 2013 29,853,000 21,762,000