Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Basic and Diluted Earnings per share

The following table sets forth the calculation of EPS for the three and six months endedJune 30, 2016 and 2015.

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
	(In thousands, except per share amounts)
Weighted average basic common shares outstanding	21,057		23,312		21,753		23,377
Dilutive effect of employee stock purchases, net of assumed repurchase of treasury stock	13		3		9		3
Weighted average dilutive common shares outstanding	21,070		23,315		21,762		23,380
Basic:
Net Income	$	46,580	$	46,310	$	80,871	$	82,124
Less: Earnings allocated to participating securities	1,885		1,792		3,224		3,176
Earnings available to basic common shares	$	44,695	$	44,518	$	77,647	$	78,948
Basic earnings per common share	$	2.12	$	1.91	$	3.57	$	3.38
Diluted:
Net Income	$	46,580	$	46,310	$	80,871	$	82,124
Less: Earnings allocated to participating securities	1,884		1,792		3,223		3,176
Earnings available to diluted common shares	$	44,696	$	44,518	$	77,648	$	78,948
Diluted earnings per common share	$	2.12	$	1.91	$	3.57	$	3.38