Contractual Commitments, Contingencies, and Off-Balance Sheet Arrangements - Schedule of Minimum Commitments Related to Technology Service Agreement (Detail) $ in Millions |
Jun. 30, 2015
USD ($)
|
|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |
| 2016 | $ 120.0 |
| 2017 | 98.4 |
| 2018 | 86.8 |
| 2019 | 77.2 |
| 2020 | 72.3 |
| Thereafter | 260.9 |
| Total | $ 715.6 |