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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]
Accumulated Other Comprehensive Income (Loss) [Member]
Noncontrolling Interest [Member]
Total
Balance at Jan. 31, 2009 $ 299 $ (186,057) $ 142,486 $ 282,332   $ 24,573 $ 263,633
Balance (in Shares) at Jan. 31, 2009 29,853 20,471          
Net income       8,652   3,900 12,552
Treasury stock acquired   (15,694)         (15,694)
Treasury stock acquired (in Shares)   1,257          
Stock based compensation     234       234
Stock options and related tax effects   15,344 (1,022)       14,322
Stock options and related tax effects (in Shares)   (1,683)          
Unrealized holding gains, net of tax         49   49
Balance at Jan. 31, 2010 299 (186,407) 141,698 290,984 49 28,473 275,096
Balance (in Shares) at Jan. 31, 2010 29,853 20,045          
Net income       5,069   3,673 8,742
Treasury stock acquired   (8,229)         (8,229)
Treasury stock acquired (in Shares)   515          
Reclassification adjustment for net gains included in net income, net of tax         (49)   (49)
Deconsolidation of subsidiary           (7,114) (7,114)
Stock options and related tax effects   923 595       1,518
Stock options and related tax effects (in Shares)   (99)          
Balance at Jan. 31, 2011 299 (193,713) 142,293 296,053   25,032 269,964
Balance (in Shares) at Jan. 31, 2011 29,853 20,461          
Net income       28,270   5,428 33,698
Treasury stock acquired   (25,662)         (25,662)
Treasury stock acquired (in Shares)   1,519          
Acquisition of business           956 956
Noncontrolling interests distribution and other           (2,084) (2,084)
Stock options and related tax effects   4,270 701       4,971
Stock options and related tax effects (in Shares)   (457)          
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 21,523