Restructuring - Activity for Restructuring Expenses and Related Accruals (Details)
$ in Millions
3 Months Ended
Sep. 30, 2016
USD ($)
Restructuring Reserve  
Balance as of June 30, 2016 $ 9.9
Charges 1.1
Cash payments (5.2)
Balance as of September 30, 2016 5.8
Employee-Related Costs  
Restructuring Reserve  
Balance as of June 30, 2016 9.0
Charges 1.1
Cash payments (5.0)
Balance as of September 30, 2016 5.1
Contract Termination Costs  
Restructuring Reserve  
Balance as of June 30, 2016 0.9
Charges 0.0
Cash payments (0.2)
Balance as of September 30, 2016 $ 0.7