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LEASES Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Leases [Abstract]    
Finance Lease, Right-of-Use Asset, Amortization $ 392 $ 376
Finance Lease, Interest Expense 126 139
Operating Lease, Cost 4,463 4,816
Short-term Lease, Cost 80 80
Variable Lease, Cost 635 620
Sublease Income (152) (168)
Lease, Cost $ 5,544 $ 5,863