Earnings per common share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Schedule of weighted average number of shares [Table Text Block]

A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings per share calculation was as follows:

	Three Months Ended
	March 31,
	2012	2011
	(In thousands)
Weighted average common shares outstanding - basic	188,811	188,671
Effect of dilutive stock options and performance share awards	371	144
Weighted average common shares outstanding - diluted	189,182	188,815
Shares excluded from the calculation of diluted earnings per share	—	—