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Earnings Per Share ("EPS") of Common Stock
3 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
Earnings Per Share ("EPS") of Common Stock Earnings Per Share ("EPS") of Common Stock
The following table reconciles the numerator and denominator used to calculate basic and diluted EPS of common stock:
Three months ended March 31,
 20232022
 (In millions, except per share amounts)
Numerator:
Net income $27.8 $27.8 
Income allocated to participating securities(0.1)(0.1)
Net income for basic EPS$27.7 $27.7 
Interest on convertible debt (see Note 1)
— 0.7 
Net income for diluted EPS$27.7 $28.4 
Denominator:
Basic weighted average shares80.6 80.2 
Effect of:
Awards issued under equity plans0.1 — 
Convertible debt (See Note 1)
— 5.6 
Diluted weighted average shares80.7 85.8 
Basic
Basic EPS$0.34 $0.34 
Diluted
Diluted EPS$0.34 $0.33 
Securities which would have been anti-dilutive are insignificant and are excluded from the computation of diluted earnings per share in all periods presented.