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v3.21.2

Earnings Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Numerator |  |  |  |
Net Income (Loss) Available to Common Shareholders - Basic | $ 46.5 | $ (18.5) | $ 328.2 | $ 43.3
Dilutive effect of Series A Equity Units | 0.4 | 0.0 | 0.4 | 0.0
Net Income (Loss) Available to Common Shareholders - Diluted | $ 46.9 | $ (18.5) | $ 328.6 | $ 43.3
Denominator |  |  |  |
Basic Average Common Shares Outstanding | 393.0 | 383.5 | 392.8 | 383.3
Dilutive potential common shares |  |  |  |
Series A Equity Units | 28.2 | 0.0 | 14.2 | 0.0
Shares contingently issuable under employee stock plans | 0.8 | 0.0 | 0.7 | 0.7
Shares restricted under stock plans | 0.3 | 0.0 | 0.3 | 0.2
Forward Agreements | 0.6 | 0.0 | 0.5 | 0.0
Diluted Average Common Shares | 422.9 | 383.5 | 408.5 | 384.2

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