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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Commitments Disclosure [Line Items]    
Amount outstanding standby letters of credit $ 28.8  
Provisions to expense 10.1 5.8
Reserves related to environmental remediation 1.4 1.8
Minimum
    
Commitments Disclosure [Line Items]    
Warranty Maturity Periods 1 year  
Maximum
    
Commitments Disclosure [Line Items]    
Warranty Maturity Periods 10 years  
Environmental Solutions
    
Commitments Disclosure [Line Items]    
Provisions to expense 0.8  
Performance Bonds [Member]
    
Commitments Disclosure [Line Items]    
Debt outstanding $ 17.4