Weighted Average Common Shares (Tables)

6 Months Ended

Jun. 30, 2011

Weighted Average Common Shares [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months				Six Months
	Ended June 30,				Ended June 30,
	2011		2010		2011		2010
	(In thousands)
Common shares — basic		337,235		325,383		336,435		325,037
Effect of dilutive securities
Restricted common stock		1,187		1,251		1,412		1,341
Stock options		2,001		848		1,867		815
Common shares — diluted		340,423		327,482		339,714		327,193