Segment Information - Schedule of Long-Lived Assets, Excluding Intangible Assets, Property, Plant and Equipment by Geographic Areas (Detail) - USD ($) $ in Millions |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 1,556.5 | $ 1,562.4 |
| United States [Member] | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | 1,369.0 | 1,330.3 |
| Non-U.S. [Member] | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 187.5 | $ 232.1 |