Earnings per common share (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
	2019		2018
	(In thousands, except per share amounts)
Weighted average common shares outstanding - basic	196,401		195,304
Effect of dilutive performance share awards and restricted stock units	13		678
Weighted average common shares outstanding - diluted	196,414		195,982
Shares excluded from the calculation of diluted earnings per share	64		—
Dividends declared per common share	$	.2025	$	.1975