XML 91 R75.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value Measurements (Schedule of carrying value and estimated fair value of financial instruments) (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Jun. 30, 2017
Carrying Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Broadcast rights payable $ 29.7 $ 31.7
Long-term debt 3,135.6 698.2
Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Broadcast rights payable 27.4 30.5
Long-term debt $ 3,179.8 $ 700.7