Earnings Per Share Earnings Per Share Tables (Table Text Block)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

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

Weighted average shares-basic and diluted for the three and nine months ending September 30, 2012 and 2011 are as follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2012	2011	2012	2011
Weighted average shares — basic	104,193	103,715	104,120	103,631
Dilutive potential common shares — stock options	10	—	5	—
Weighted average shares — diluted	104,203	103,715	104,125	103,631

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Total weighted average anti-dilutive stock options for each of the periods are as follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2012	2011	2012	2011
Anti-dilutive options	4,795	6,479	4,799	6,453