Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2024

Earnings Per Share [Abstract]

Schedule of Calculation of Pro Forma Basic and Diluted Earnings Per Share

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 September 30,				Nine Months Ended September 30,
	2024		2023		2024		2023
Numerator:
Net income attributable to controlling interests	$	16.9	$	19.6	$	42.5	$	43.0
Denominator:
Weighted-average shares of common stock outstanding—basic	37,070,795		41,508,143		37,891,015		41,479,116
Potential shares of common stock:
Restricted stock units	22,449		7,471		17,803		5,568
Employee stock options	700,920		1,074,103		676,254		1,164,121
Weighted-average shares of common stock outstanding—diluted	37,794,164		42,589,717		38,585,072		42,648,805
Earnings per share of common stock attributable to controlling interests:
Basic	$	0.46	$	0.47	$	1.12	$	1.04
Diluted	$	0.45	$	0.46	$	1.10	$	1.01