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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