Earnings per common share (Tables)

9 Months Ended

Sep. 30, 2020

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				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
	(In thousands, except per share amounts)
Weighted average common shares outstanding - basic	200,522		199,343		200,495		198,016
Effect of dilutive performance share awards and restricted stock units	97		40		20		17
Weighted average common shares outstanding - diluted	200,619		199,383		200,515		198,033
Shares excluded from the calculation of diluted earnings per share	87		155		139		243
Dividends declared per common share	$	.2075	$	.2025	$	.6225	$	.6075