Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings Per Common Share

The computation of basic and diluted earnings per common share is as follows:    

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(In thousands, except per share amounts)	2018			2017			2018			2017
Computation of Basic Earnings Per Share:
Numerator:
Net income	$	79,959		$	57,189		$	184,884		$	132,143
Income allocated to participating securities	(447		)	(402		)	(1,081		)	(938		)
Net income available to common shareholders	$	79,512		$	56,787		$	183,803		$	131,205
Denominator:
Weighted average common shares outstanding – basic	56,025			56,161			56,283			56,059
Basic earnings per share	$	1.42		$	1.01		$	3.27		$	2.34
Computation of Diluted Earnings Per Share:
Numerator:
Net income	$	79,959		$	57,189		$	184,884		$	132,143
Income allocated to participating securities	(444		)	(400		)	(1,073		)	(933		)
Net income available to common shareholders	$	79,515		$	56,789		$	183,811		$	131,210
Denominator:
Weighted average common shares outstanding – basic	56,025			56,161			56,283			56,059
Diluted effect of stock options and PVRSUs	405			344			505			357
Weighted average common shares outstanding – diluted	56,430			56,505			56,788			56,416
Diluted earnings per share	$	1.41		$	1.01		$	3.24		$	2.33