Earnings Per Common Share (Tables)

9 Months Ended

Sep. 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 nine months ended September 30, 2017 and 2016: 

(in thousands, except per share data)	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
NUMERATORS:
Net income	$	61,333	$	61,809	$	164,148	$	163,665
Less:
Dividends and undistributed earnings allocated to participating securities (1)	14		31		40		92
Net earnings available to common shareholders	$	61,319	$	61,778	$	164,108	$	163,573
DENOMINATORS:
Weighted average number of common shares outstanding - basic	220,215		220,291		220,270		220,313
Effect of potentially dilutive common shares (2)	540		460		523		623
Weighted average number of common shares outstanding - diluted	220,755		220,751		220,793		220,936
EARNINGS PER COMMON SHARE:
Basic	$	0.28	$	0.28	$	0.75	$	0.74
Diluted	$	0.28	$	0.28	$	0.74	$	0.74

(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 nine months ended September 30, 2017 and 2016. 

(in thousands)	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2017	2016	2017	2016
Stock options	—	50	12	104