Quarterly report pursuant to Section 13 or 15(d)

Earnings (loss) per Share (Details)

v3.8.0.1
Earnings (loss) per Share (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Earnings (loss) per Share    
Basic WASO 181,316 181,771
Potentially dilutive shares 1,398 1,274
Diluted WASO 182,714 183,045