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Debt - Additional Information (Detail)
MXN in Thousands, $ in Thousands
6 Months Ended
Jun. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2015
MXN
Dec. 31, 2014
USD ($)
Debt Instrument [Line Items]        
Borrowings under revolving credit agreement $ 433,412 $ 433,412   $ 303,199
Revolving credit agreement maximum borrowing capacity 600,000 $ 600,000    
Revolving credit agreement maturity date   Jul. 01, 2019    
Short-term debt 2,569 $ 2,569    
Mexican        
Debt Instrument [Line Items]        
Revolving credit agreement maximum borrowing capacity $ 10,000 10,000 MXN 150,000  
Revolving credit agreement maturity date Jun. 15, 2016      
Short-term debt $ 2,569 $ 2,569   $ 0
Short-term borrowings maturity period 1 year