Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2024

Earnings Per Share

Schedule of computation of basic and diluted earnings per common share

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars and shares in thousands, except for per share amounts)	2024		2023		2024		2023
Basic earnings per common share:
Net income	$	143,179	$	124,144	$	390,605	$	387,517
Weighted-average basic common shares		76,299		76,139		76,284		76,034
Basic earnings per common share	$	1.88	$	1.63	$	5.12	$	5.10
Diluted earnings per common share:
Net income	$	143,179	$	124,144	$	390,605	$	387,517
Weighted-average basic common shares		76,299		76,139		76,284		76,034
Effect of dilutive securities		506		432		407		412
Weighted-average dilutive shares		76,805		76,571		76,691		76,446
Diluted earnings per common share	$	1.86	$	1.62	$	5.09	$	5.07

Schedule of anti-dilutive securities excluded from computation of diluted earnings per share

	Three Months Ended September 30,							Nine Months Ended September 30,
	2024		2023					2024					2023
Number of shares		—					57,169					57,169					57,169
Range of exercise prices		—	$	87.30	to	$	91.35	$	87.30	to	$	91.35	$	87.30	to	$	91.35