Earnings per share (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Weighted average common shares outstanding

A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings per share calculations follows:

	Three Months Ended
	March 31,
	2021		2020
	(In thousands, except per share amounts)
Weighted average common shares outstanding - basic	200,708		200,440
Effect of dilutive performance share awards and restricted stock units	244		16
Weighted average common shares outstanding - diluted	200,952		200,456
Shares excluded from the calculation of diluted earnings per share	—		68
Dividends declared per common share	$	.2125	$	.2075