Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2022

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)	2022		2021		2022		2021
Basic earnings per common share:
Net income	$	133,043	$	122,788	$	352,547	$	368,697
Weighted-average basic common shares		75,606		70,066		74,185		70,643
Basic earnings per common share	$	1.76	$	1.75	$	4.75	$	5.22
Diluted earnings per common share:
Net income	$	133,043	$	122,788	$	352,547	$	368,697
Weighted-average basic common shares		75,606		70,066		74,185		70,643
Effect of dilutive securities		576		510		606		465
Weighted-average dilutive shares		76,182		70,576		74,791		71,108
Diluted earnings per common share	$	1.75	$	1.74	$	4.71	$	5.19

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

	Three Months Ended September 30,										Nine Months Ended September 30,
(Dollars in thousands)	2022					2021					2022					2021
Number of shares					57,169					57,169					57,169					60,546
Range of exercise prices	$	87.30	to	$	91.35	$	87.30	to	$	91.35	$	87.30	to	$	91.35	$	87.30	to	$	91.35