Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

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 2018, 2017 and 2016:

(In thousands, except per share data)		2018		2017		2016
Net income		$	343,166	$	257,682	$	206,875
Less: Preferred stock dividends		8,200		9,778		14,513
Net income applicable to common shares—Basic	(A)	$	334,966	$	247,904	$	192,362
Add: Dividends on convertible preferred stock, if dilutive		—		1,578		6,313
Net income applicable to common shares—Diluted	(B)	$	334,966	$	249,482	$	198,675
Weighted average common shares outstanding	(C)	56,300		54,703		50,278
Effect of dilutive potential common shares:
Common stock equivalents		908		998		894
Convertible preferred stock, if dilutive		—		985		3,100
Total dilutive potential common shares		908		1,983		3,994
Weighted average common shares and effect of dilutive potential common shares	(D)	57,208		56,686		54,272
Net income per common share:
Basic	(A/C)	$	5.95	$	4.53	$	3.83
Diluted	(B/D)	5.86		4.40		3.66