Earnings per common share (Tables)

9 Months Ended

Sep. 30, 2019

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,
	2019		2018		2019		2018
	(In thousands, except per share amounts)
Weighted average common shares outstanding - basic	199,343		196,018		198,016		195,618
Effect of dilutive performance share awards and restricted stock units	40		247		17		486
Weighted average common shares outstanding - diluted	199,383		196,265		198,033		196,104
Shares excluded from the calculation of diluted earnings per share	155		114		243		—
Dividends declared per common share	$	.2025	$	.1975	$	.6075	$	.5925