Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Common Share

The following table sets forth the computation of basic and diluted earnings per common share for 2019, 2018 and 2017:

(In thousands, except per share data)		2019		2018		2017
Net income		$	355,697	$	343,166	$	257,682
Less: Preferred stock dividends		8,200		8,200		9,778
Net income applicable to common shares—Basic	(A)	$	347,497	$	334,966	$	247,904
Add: Dividends on convertible preferred stock, if dilutive		—		—		1,578
Net income applicable to common shares—Diluted	(B)	$	347,497	$	334,966	$	249,482
Weighted average common shares outstanding	(C)	56,857		56,300		54,703
Effect of dilutive potential common shares:
Common stock equivalents		762		908		998
Convertible preferred stock, if dilutive		—		—		985
Total dilutive potential common shares		762		908		1,983
Weighted average common shares and effect of dilutive potential common shares	(D)	57,619		57,208		56,686
Net income per common share:
Basic	(A/C)	$	6.11	$	5.95	$	4.53
Diluted	(B/D)	6.03		5.86		4.40