Annual report pursuant to Section 13 and 15(d)

Equity and Long-Term Incentive Compensation Plans - Cash-Based Long-Term Incentive Compensation (Details)

v3.5.0.2
Equity and Long-Term Incentive Compensation Plans - Cash-Based Long-Term Incentive Compensation (Details) - Cash Long-Term Incentive Plan
$ in Millions
12 Months Ended
Jun. 30, 2016
USD ($)
Installment
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Cash Long-Term Incentive Plan      
Cash-based long-term incentive plan, granted amount $ 49.3 $ 67.7  
Cash long-term incentive plan, number of equal vesting installments | Installment 4    
Cash long-term incentive plan, percentage of equal vesting installments 25.00%    
Cash long-term incentive plan, vesting period 4 years    
Executive deferred compensation program, compensation expense $ 44.6 $ 39.6 $ 26.2
Cash long-term incentive plan, unrecognized compensation balance $ 87.2