v3.6.0.2
Earnings (Loss) per Share (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Diluted weighted average shares calculation:      
Weighted average shares outstanding (basic) 354,006 362,033 404,837
Share-based awards 2,104 2,853 4,523
Weighted average shares outstanding (in shares) 356,110 364,886 409,360
Items excluded from diluted earnings (loss) per common share      
Share-based awards 1,659 5,340 2,859