|
Commitments and Contingencies - Future Minimum Lease Payments under These Non-cancelable Operating Leases (Detail) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2013
|
|---|---|
| Commitments And Contingencies Disclosure [Abstract] | |
| 2014 | $ 8.7 |
| 2015 | 8.0 |
| 2016 | 6.3 |
| 2017 | 4.0 |
| 2018 | 3.3 |
| Thereafter | 18.3 |
| Total | $ 48.6 |