Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings (Loss) Per Common Share

The following is a computation of basic and diluted earnings per common share for the three and six months ended June 30, 2017 and 2016: 

(in thousands, except per share data)	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
NUMERATORS:
Net income	$	56,812	$	54,287	$	102,815	$	101,856
Less:
Dividends and undistributed earnings allocated to participating securities (1)	14		32		26		61
Net earnings available to common shareholders	$	56,798	$	54,255	$	102,789	$	101,795
DENOMINATORS:
Weighted average number of common shares outstanding - basic	220,310		220,421		220,298		220,324
Effect of potentially dilutive common shares (2)	443		486		492		677
Weighted average number of common shares outstanding - diluted	220,753		220,907		220,790		221,001
EARNINGS PER COMMON SHARE:
Basic	$	0.26	$	0.25	$	0.47	$	0.46
Diluted	$	0.26	$	0.25	$	0.47	$	0.46

(1) Represents dividends paid and undistributed earnings allocated to certain nonvested restricted stock awards. 

(2) Represents the effect of the assumed exercise of stock options, vesting of non-participating restricted shares, and vesting of restricted stock units, based on the treasury stock method. 

Schedule Of Weighted Average Outstanding Securities Not Included In The Computation Of Diluted Earnings Per Common Share

The following table presents the weighted average outstanding securities that were not included in the computation of diluted earnings per common share because their effect would be anti-dilutive for the three and six months ended June 30, 2017 and 2016. 

(in thousands)	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2017	2016	2017	2016
Stock options	—	50	18	107
Restricted stock	—	1	—	—