Basis of Presentation - Spin-off Common Stock Issued (Details) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||
| Number of shares issued previously reported in connection with the spin-off | 151.7 | 160.7 |
| Retained Earnings | ||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||
| Correction of common stock issued in connection with the spin-off and dividends paid (Note 1D) | $ 0.4 | |
| Scenario, Previously Reported | ||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||
| Number of shares issued previously reported in connection with the spin-off | 160.6 | |
| Adjustments | Common Stock | ||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||
| Correction of common stock issued in connection with the spin-off and dividends paid (in shares) | (1.0) | |