v3.3.1.900
Earnings (Loss) per Share (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Diluted weighted average shares calculation:      
Weighted average shares outstanding (basic) 362,033 404,837 440,666
Share-based awards 2,853 4,523 4,107
Weighted average shares outstanding (in shares) 364,886 409,360 444,773
Items excluded from diluted earnings (loss) per common share      
Share-based awards 5,340 2,859 5,062