Earnings per Common Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Calculation of basic and diluted weighted-average shares outstanding

The following is a calculation of basic and diluted weighted-average shares outstanding:

	Three Months Ended   June 30,		Six Months Ended   June 30,
(In thousands)	2018	2017	2018	2017
Weighted-average shares - basic	451,055	464,768	455,361	465,057
Dilution effect of stock appreciation rights and stock awards at end of period	2,059	1,977	1,781	1,695
Weighted-average shares - diluted	453,114	466,745	457,142	466,752

Calculation of weighted-average shares excluded from diluted EPS due to the anti-dilutive effect

The following is a calculation of weighted-average shares excluded from diluted EPS due to the anti-dilutive effect:

	Three Months Ended   June 30,		Six Months Ended   June 30,
(In thousands)	2018	2017	2018	2017
Weighted-average stock appreciation rights and stock awards excluded from diluted EPS due to the anti-dilutive effect calculated using the treasury stock method	—	—	956	774