Earnings Per Share (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2018 and 2017 (in thousands, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Net income	$	87,287	$	52,811	$	176,048	$	118,323
Preferred dividends		2,344		2,344		4,688		4,688
Net income available to common shareholders	$	84,943	$	50,467	$	171,360	$	113,635
Shares for basic and diluted calculation:
Average shares used in basic computation		71,692		68,556		71,843		68,471
Dilutive effect of stock options and units (1)		9,607		11,465		9,705		11,920
Average shares used in diluted computation		81,299		80,021		81,548		80,391
Earnings per common share:
Basic	$	1.18	$	0.74	$	2.39	$	1.66
Diluted	$	1.04	$	0.63	$	2.10	$	1.41

⁽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.