Annual report pursuant to Section 13 and 15(d)

Business Combinations - Schedule of Acquisition Transaction Expenses (Details)

v3.8.0.1
Business Combinations - Schedule of Acquisition Transaction Expenses (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Emerging Markets Communications LLC          
Business Acquisition [Line Items]          
Transaction and integration expenses $ 12.7 $ 1.9 $ 0.8 $ 1.8 $ 15.4