Earnings (loss) per common share (Tables)

9 Months Ended

Sep. 30, 2015

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 (loss) per share calculations was as follows:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2015	2014	2015	2014
	(In thousands)
Weighted average common shares outstanding - basic	195,151	193,949	194,814	191,958
Effect of dilutive performance share awards	18	351	19	349
Weighted average common shares outstanding - diluted	195,169	194,300	194,833	192,307
Shares excluded from the calculation of diluted earnings per share	—	—	—	—