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INVENTORIES (Details) - USD ($)
$ in Thousands
Apr. 30, 2019
Jan. 31, 2019
Inventory Disclosure [Abstract]    
New equipment $ 352,395 $ 258,081
Used equipment 137,449 158,951
Parts and attachments 76,327 72,760
Work in process 2,091 1,299
Inventories $ 568,262 $ 491,091