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ACCUMULATED OTHER COMPREHENSIVE INCOME AOCI (Details) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2021
Apr. 30, 2021
Jul. 31, 2020
Apr. 30, 2020
Jan. 31, 2021
Jan. 31, 2020
Accumulated Other Comprehensive Income [Abstract]            
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax $ (2,653) $ (3,591) $ (5,681) $ (6,459) $ (1,212) $ (5,931)
Derivatives used in Net Investment Hedge, Net of Tax 2,711 2,711 2,711 2,711 2,711 2,711
Accumulated Other Comprehensive Income (Loss), Net of Tax 58 (880) (2,970) (3,748) $ 1,499 $ (3,220)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax 938 (2,379) 778 (528)    
Other Comprehensive Income (Loss), before Reclassifications, before Tax $ 938 $ (2,379) $ 778 $ (528)