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LEASES (Details)
 9 Months Ended
Oct. 31, 2019
Disclosure Text Block [Abstract]  
Lease, Practical Expedients, Description ASC 842 provides for three practical expedients,which the Company elected as a package. Pursuant to this package, the Company did not reassess: i) whether any expired or existingcontracts are or contain leases; ii) the lease classification for any expired or existing leases that were previously classifiedas operating leases; or iii) the initial direct costs for any existing leases.The Company elected the practical expedient,available pursuant to ASC 842, for lessees to include both lease and non-lease components as a single component and account forit as a lease. In general, certain maintenance costs are the responsibility of the Company under its railcar leases. These maintenancecosts are a non-lease component which the Company elected to combine with rental payments and account for the total amount as operatinglease expense.
Operating Lease, Weighted Average Remaining Lease Term 3 years 255 days
Operating Lease, Weighted Average Discount Rate, Percent 5.46%