Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Common Share [Abstract]

Earnings Per Share

	Year Ended December 31
	2011	2010	2009
	(In thousands)
Weighted average shares outstanding:
Basic weighted average shares outstanding	190,086	162,398	150,963
Effect of common stock equivalents under incentive plans	819	812	309
Diluted weighted average shares outstanding	190,905	163,210	151,272