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INCOME TAXES (Details) - USD ($)
 1 Months Ended 11 Months Ended 12 Months Ended
Jan. 31, 2018
Dec. 31, 2017
Jan. 31, 2018
Jan. 31, 2017
Jan. 31, 2016
Jan. 31, 2015
Income Tax Disclosure [Abstract]            
Deferred Tax Assets, Valuation Allowance $ 241,000   $ 241,000 $ 417,000 $ 1,151,000 $ 1,752,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount     $ (176,000) $ (734,000) $ (601,000)  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 35.00% 33.80% 35.00% 35.00%  
Deferred Other Tax Expense (Benefit)     $ 14,362,000      
Income Taxes Paid $ 6,920,000     $ 7,090,000 $ 20,253,000  
Proceeds from Income Tax Refunds     476,000 150,000 132,000  
Unrecognized Tax Benefits 1,963,000   1,963,000 $ 2,096,000 $ 987,000  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 362,000   362,000      
Increase in Unrecognized Tax Benefits is Reasonably Possible $ 1,518,000   $ 1,518,000