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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Noncontrolling Interest [Member]
Total
Balance at Jan. 31, 2017 $ 299 $ (313,838) $ 145,767 $ 508,207 $ 47,839 $ 388,274
Balance (in Shares) at Jan. 31, 2017 29,853 23,292        
Net income       20,653 4,124 24,777
Capital contributions         738 738
Issuance of equity awards and stock based compensation expense   $ 188 1,120     1,308
Issuance of equity awards and stock based compensation expense (in Shares)   (5)        
Noncontrolling interests distribution and other         (1,725) (1,725)
Balance at Oct. 31, 2017 $ 299 $ (313,650) 146,887 528,860 50,976 413,372
Balance (in Shares) at Oct. 31, 2017 29,853 23,287        
Balance at Jan. 31, 2018 $ 299 $ (313,643) 146,923 547,913 50,434 431,926
Balance (in Shares) at Jan. 31, 2018 29,853 23,287        
Net income       30,588 4,023 34,611
Treasury stock acquired   $ (18,419)       (18,419)
Treasury stock acquired (in Shares)   253        
Capital contributions         432 432
Issuance of equity awards and stock based compensation expense   $ 299 1,319     1,618
Issuance of equity awards and stock based compensation expense (in Shares)   (13)        
Noncontrolling interests distribution and other         (1,734) (1,734)
Balance at Oct. 31, 2018 $ 299 $ (331,763) $ 148,242 $ 578,501 $ 53,155 $ 448,434
Balance (in Shares) at Oct. 31, 2018 29,853 23,527