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Net Income (Loss) Per Common Share (Tables)
6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted A reconciliation of our basic and diluted net income (loss) per common share is as follows:
Three Months Ended June 30,Six Months Ended June 30,
(In millions, except per share data)2021202020212020
Net income (loss) to common shareholders$126.4 $(82.8)$141.6 $(30.6)
Basic weighted average shares outstanding232.5 235.2 233.2 235.1 
Diluted weighted average shares outstanding233.5 235.2 234.1 235.1 
Net income (loss) per common share:
Basic net income (loss) per share$0.54 $(0.35)$0.61 $(0.13)
Diluted net income (loss) per share$0.54 $(0.35)$0.60 $(0.13)