Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Detail Textuals)

v3.8.0.1
Summary of Significant Accounting Policies (Detail Textuals) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Accounting Policies [Abstract]        
Antidilutive securities excluded from computation of earnings per share 4.8 8.4 5.9 7.4
Amounts of tax included on a gross basis $ 94.8 $ 80.3 $ 246.9 $ 214.3
Foreign currency transactions gain (loss) $ (3.9) $ (1.4) $ (14.8) $ (1.8)