Goodwill and Intangible Assets, Net - Changes In Goodwill (Details)
$ in Millions
3 Months Ended
Sep. 30, 2016
USD ($)
Changes in Goodwill  
Balance as of June 30, 2016 $ 1,182.7
Currency translation adjustments (3.4)
Balance as of September 30, 2016 1,179.3
Retail Solutions North America  
Changes in Goodwill  
Balance as of June 30, 2016 604.7
Currency translation adjustments (0.4)
Balance as of September 30, 2016 604.3
Advertising North America  
Changes in Goodwill  
Balance as of June 30, 2016 214.3
Currency translation adjustments 0.0
Balance as of September 30, 2016 214.3
CDK International  
Changes in Goodwill  
Balance as of June 30, 2016 363.7
Currency translation adjustments (3.0)
Balance as of September 30, 2016 $ 360.7