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Commitments and Contingencies - Legal Matters - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Cases
Dec. 31, 2013
Cases
Loss Contingencies [Line Items]    
Cumulative settlement payments for cases involving asbestos-related claims $ 0.7  
Average cost per settled claim excluding legal fees 25,000  
Number of claims pending 180 173
Number of new cases filed 14  
Number of cases dismissed 7  
Number of cases settled 0  
Plaintiffs claim to have suffered property damages and other loss 75  
Settlement reserve 0.2  
Assessment regarding Loss contingency impact Description We are not aware of pending claims or assessments, other than as described above, which may have a material adverse impact on our liquidity, financial position, results of operations, or cash flows.  
Maximum [Member]
   
Loss Contingencies [Line Items]    
Payment for attorneys fees and reimbursement $ 0.2