Earnings per Common Share (Tables)

12 Months Ended

Dec. 31, 2019

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:

	Year Ended December 31,
(In thousands)	2019	2018	2017
Weighted-average shares - basic	415,514	445,538	463,735
Dilution effect of stock awards at end of period	1,937	2,030	1,816
Weighted-average shares - diluted	417,451	447,568	465,551

Calculation of Weighted-Average Shares Excluded from Diluted EPS Due to Anti-Dilutive Effect

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

	Year Ended December 31,
(In thousands)	2019	2018	2017
Weighted-average stock awards excluded from diluted EPS due to the anti-dilutive effect calculated using the treasury stock method	669	3	28