Debt - Additional Information (Detail) (USD $)
3 Months Ended 0 Months Ended 3 Months Ended
Mar. 31, 2015
Mar. 13, 2012
Mar. 31, 2014
Mar. 13, 2013
Debt Instrument [Line Items]        
Secured credit facility       $ 225,000,000
Line of credit facility, amount outstanding 0      
Maximum covenant leverage ratio 3.25      
Remaining borrowing capacity 24,000,000      
Non-US lines of credit        
Debt Instrument [Line Items]        
Secured credit facility 11,100,000      
Line of Credit Facility, Increase (Decrease), Net 2,800,000.0      
Term Loan        
Debt Instrument [Line Items]        
Secured credit facility       75,000,000
Line of credit facility, term   5 years    
Revolving Credit Facility        
Debt Instrument [Line Items]        
Secured credit facility       150,000,000
Line of credit facility, term   5 years    
Remaining borrowing capacity 126,000,000      
Domestic Revolving Credit Facility [Member] | Revolving Credit Facility        
Debt Instrument [Line Items]        
Proceeds from Long-term Lines of Credit 0   6,500,000  
Repayments of Long-term Lines of Credit     $ 16,500,000