Income Taxes - Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Millions |
Jun. 30, 2017 |
Jun. 30, 2016 |
|---|---|---|
| Deferred tax assets: | ||
| Accrued expenses | $ 16.5 | $ 20.5 |
| Bad debt | 1.5 | 1.2 |
| Share-based compensation | 7.5 | 3.8 |
| Acquisition related | 3.8 | 4.6 |
| Net operating losses | 0.0 | 0.1 |
| Total deferred tax assets | 29.3 | 30.2 |
| Deferred tax liabilities: | ||
| Intangibles | (252.3) | (272.2) |
| Leases | (34.2) | (33.3) |
| Debt issuance costs | (8.6) | (8.4) |
| Depreciation | (3.4) | (4.1) |
| Other | (1.2) | (0.2) |
| Total deferred tax liabilities | (299.7) | (318.2) |
| Total deferred tax assets (liabilities) | $ (270.4) | $ (288.0) |