Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2023

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)	2023		2022		2023		2022
Basic earnings per common share:
Net income	$	124,144	$	133,043	$	387,517	$	352,547
Weighted-average basic common shares		76,139		75,606		76,034		74,185
Basic earnings per common share	$	1.63	$	1.76	$	5.10	$	4.75
Diluted earnings per common share:
Net income	$	124,144	$	133,043	$	387,517	$	352,547
Weighted-average basic common shares		76,139		75,606		76,034		74,185
Effect of dilutive securities		432		576		412		606
Weighted-average dilutive shares		76,571		76,182		76,446		74,791
Diluted earnings per common share	$	1.62	$	1.75	$	5.07	$	4.71

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

	Three Months Ended September 30,										Nine Months Ended September 30,
	2023					2022					2023					2022
Number of shares					57,169					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	$	87.30	to	$	91.35