Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Schedule of Basic and Diluted Earnings (Loss) Per Share

The following is a reconciliation of the numerator and denominator used in the calculation of basic and diluted earnings per share available to common stockholders:


	For the Years Ended December 31,
	2019		2020		2021
Numerator
Net income (controlling interest)	$	15.7	$	202.2	$	565.7
Interest expense on junior convertible securities, net of taxes	—		—		18.5
Net income (controlling interest), as adjusted	$	15.7	$	202.2	$	584.2
Denominator
Average shares outstanding (basic)	50.5		46.5		41.5
Effect of dilutive instruments:
Stock options and restricted stock units	0.1		0.2		1.2

Junior convertible securities	—		—		2.1
Average shares outstanding (diluted)	50.6		46.7		44.8

Schedule of Shares Excluded from Calculation of Basic and Diluted Earnings (Loss) Per Share

The following is a summary of items excluded from the denominator in the table above:


	For the Years Ended December 31,
	2019	2020	2021
Stock options and restricted stock units	2.6	2.9	0.2
Junior convertible securities	2.2	2.2	—