Other Noncurrent Liabilities - Components of Other Noncurrent Liabilities (Detail) - USD ($) $ in Millions |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Other Liabilities Noncurrent [Abstract] | ||
| Reserve for uncertain tax positions | $ 11.8 | $ 13.1 |
| Employee benefits | 7.5 | 8.1 |
| Interest rate swap contract | 0.2 | |
| Insurance claims and expenses | 0.2 | 0.3 |
| Other | 4.7 | 5.3 |
| Total | $ 24.4 | $ 26.8 |