Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the three and nine months ended September 30, 2018 and 2017 (in thousands, except per share data):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Net income	$	103,858	$	66,536	$	279,906	$	184,859
Preferred dividends		2,343		2,343		7,031		7,031
Net income available to common shareholders	$	101,515	$	64,193	$	272,875	$	177,828
Shares for basic and diluted calculation:
Average shares used in basic computation		71,919		68,522		71,824		68,488
Dilutive effect of stock options and units (1)		9,565		12,359		9,601		12,074
Average shares used in diluted computation		81,484		80,881		81,425		80,562
Earnings per common share:
Basic	$	1.41	$	0.94	$	3.80	$	2.60
Diluted	$	1.25	$	0.79	$	3.35	$	2.21

⁽¹⁾ Diluted earnings per share is computed on the basis of the weighted-average number of shares of common stock plus the effect of dilutive potential common shares outstanding during the period using the treasury stock method.