Summary of Significant Accounting Policies and Nature of Business - Schedule of Activity in Warranty Liabilities (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Product Warranties Disclosures [Abstract] | |||
| Balance at the beginning of the period | $ 13.5 | $ 12.6 | $ 13.6 |
| Warranty provisions | 4.7 | 4.8 | 4.6 |
| Foreign currency translation loss | (1.3) | (0.5) | (0.4) |
| Warranty claims paid | (1.7) | (3.4) | (5.2) |
| Balance at the end of the period | $ 15.2 | $ 13.5 | $ 12.6 |