Quarterly report pursuant to Section 13 or 15(d)

Earnings (loss) per Share (Details)

v3.10.0.1
Earnings (loss) per Share (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Earnings (loss) per Share        
Basic WASO 181,328 181,846 181,322 181,795
Potentially dilutive shares 1,244 1,485 1,264 1,369
Diluted WASO 182,572 183,331 182,586 183,164