Earnings Per Share

3 Months Ended

Mar. 31, 2025

Basic earnings per share is calculated by dividing net income attributable to controlling interests by the weighted-average number of shares of common stock outstanding. Diluted earnings per share is similar to basic earnings per share, but is adjusted for the effect of potentially issuable common stock, except when inclusion is antidilutive.

The calculation of basic and diluted earnings per share of common stock is as follows (dollars in millions, except per share data):


	Three Months Ended March 31,
		2025		2024
Numerator:
Net income attributable to controlling interests		$	20.1	$	14.6
Denominator:
Weighted-average shares of common stock outstanding—basic		37,362,476		39,063,522
Potential shares of common stock:
Restricted stock units		18,059		17,348
Employee stock options		—		650,570
Weighted-average shares of common stock outstanding—diluted		37,380,535		39,731,440
Earnings per share of common stock attributable to controlling interests:
Basic		$	0.54	$	0.37
Diluted		$	0.54	$	0.37