Description of Business and Basis of Presentation - Recent Accounting Pronouncements (Details) $ in Millions  | 
3 Months Ended | 
|---|---|
| 
 Sep. 30, 2016  
USD ($) 
 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Employee services share-based compensation, tax benefit realized | $ 5.7 | 
| X | ||||||||||
- Definition Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount No definition available. 
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| X | ||||||||||
- References No definition available. 
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