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v3.20.1

Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
--- | ---
Apr. 30, 2020 | Apr. 30, 2019
Numerator: |  |
Net income (loss) | $ 66.5 | $ (24.2)
Denominator: |  |
Denominator for basic net loss per share—weighted average shares (shares) | 219,200,000 | 219,600,000
Effect of dilutive securities (shares) | 2,100,000 | 0
Denominator for dilutive net loss per share (shares) | 221,300,000 | 219,600,000
Basic net income (loss) per share (in usd per share) | $ 0.30 | $ (0.11)
Diluted net income (loss) per share (in usd per share) | $ 0.30 | $ (0.11)
Dilutive securities excluded from earnings per share sue to net loss scenario (in shares) |  | 2,300,000
Potentially dilutive shares excluded from the computation of diluted net income per share (shares) | 0 | 0

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