Computation of Earnings Per Common Share and Common Share Equivalent (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Calculation of earnings per share

The following table sets forth the computation of basic and diluted earnings per common share for the three months ended March 31, 2018 and 2017:

	Three Months Ended March 31,
(In thousands, except per share amounts)	2018		2017
Basic earnings per common share & common share equivalents outstanding:
Net income (loss) attributable to common shareholders	$	152,648	$	152,843
Weighted average common shares outstanding - basic	256,922		265,690
Basic earnings per common share & common share equivalents outstanding	$	0.59	$	0.58
Diluted earnings per common share & common share equivalents outstanding:
Weighted average common shares outstanding - basic	256,922		265,690
Impact of share-based compensation	4,254		4,077
Weighted average common shares outstanding - diluted	261,176		269,767
Diluted earnings per common share & common share equivalents outstanding	$	0.58	$	0.57
Dividends per common share	$	0.22	$	0.22

Antidilutive securities excluded from the computation of earnings per share

For the three months ended March 31, 2018 and 2017, common shares available for issuance under share-based compensation plans noted in the table below were not included in the calculation of diluted earnings per common share because the assumed exercise or issuance of such shares would be anti-dilutive.

	Three Months Ended March 31,
(In millions)	2018	2017
Common shares available for issuance under share-based compensation plans	0.6	3.0