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Commitments and Contingencies - Additional Information (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) Case | Dec. 31, 2014 USD ($)
Commitments Disclosure [Line Items] |  |
Number of additional cases filed | Case | 23 |
Amount outstanding standby letters of credit | $ 22.2 |
Provisions to expense | 5.9 | $ 7.1
Reserves related to environmental remediation | $ 0.9 | 1.3
Minimum |  |
Commitments Disclosure [Line Items] |  |
Warranty Maturity Periods | 1 year |
Maximum |  |
Commitments Disclosure [Line Items] |  |
Warranty Maturity Periods | 5 years |
Environmental Solutions |  |
Commitments Disclosure [Line Items] |  |
Provisions to expense | $ 1.1 | $ 1.3
Guarantee and Repurchase Obligation |  |
Commitments Disclosure [Line Items] |  |
Potential cash payment Company may be liable for | $ 11.7 |

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