Other Noncurrent Assets - Schedule of Other Noncurrent Assets (Detail) - USD ($) $ in Millions |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Disclosure Other Non Current Assets Schedule Of Other Non Current Assets [Abstract] | ||
| Deferred financing costs, net | $ 1.0 | $ 1.8 |
| Pension asset | 0.4 | |
| Other | 1.7 | 4.3 |
| Total | $ 3.1 | $ 6.1 |