Earnings per common share (Tables)

6 Months Ended

Jun. 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				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
	(In thousands, except per share amounts)
Weighted average common shares outstanding - basic	200,522		198,270		200,481		197,341
Effect of dilutive performance share awards and restricted stock units	17		17		16		15
Weighted average common shares outstanding - diluted	200,539		198,287		200,497		197,356
Shares excluded from the calculation of diluted earnings per share	187		—		191		93
Dividends declared per common share	$	.2075	$	.2025	$	.4150	$	.4050