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CONDENSED CONSOLIDATED BALANCE SHEETS - Parenthetical - USD ($)
shares in Millions, $ in Millions
Jan. 31, 2020
Jan. 31, 2019
CONDENSED CONSOLIDATED BALANCE SHEETS    
Accounts receivable - trade, allowance for doubtful accounts $ 12.9 $ 3.1
Property and equipment, accumulated depreciation $ 206.0 $ 152.7
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 110.0  
Common stock, shares issued 25.0 22.6
Treasury stock 0.3 0.0