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Equity Investments - Additional Information (Detail) (USD $)
 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Grupo Vasconia S.A.B.
Dec. 31, 2012
Grupo Vasconia S.A.B.
Dec. 31, 2011
Grupo Vasconia S.A.B.
Dec. 31, 2013
Grupo Vasconia S.A.B.
Transaction 02
Minimum
Dec. 31, 2012
Grupo Vasconia S.A.B.
Transaction 02
Minimum
Dec. 31, 2011
Grupo Vasconia S.A.B.
Transaction 02
Minimum
Dec. 31, 2013
Grupo Vasconia S.A.B.
Transaction 02
Maximum
Dec. 31, 2012
Grupo Vasconia S.A.B.
Transaction 02
Maximum
Dec. 31, 2011
Grupo Vasconia S.A.B.
Transaction 02
Maximum
Dec. 31, 2013
GS Internacional S/A
Dec. 31, 2012
GS Internacional S/A
Dec. 31, 2013
HCA
Dec. 31, 2011
HCA
Dec. 31, 2013
Grand Venture
Dec. 31, 2012
Grand Venture
Feb. 29, 2012
Grand Venture
Schedule of Equity Method Investments [Line Items]                                      
Percentage of ownership in equity method investment       30.00%                 40.00%     40.00%     50.00%
Exchange rate at period end - MXN to USD       13.06 12.97                            
Average daily exchange rate for period - MXN to USD             12.46 12.94 11.74 13.01 13.51 13.62              
(Decrease) increase in equity method investment       $ (300,000) $ 2,700,000 $ (500,000)                          
Cash dividend received       571,000 416,000 466,000                          
Due from related party         71,000                            
Due to related party       152,000                              
Equity in earnings (losses), net of taxes (4,781,000) 6,081,000 3,362,000 (4,000,000) 6,900,000 2,900,000             (656,000) (727,000)     83,000 125,000  
Equity in earnings related to a bargain purchase gain         4,100,000                            
Equity in earnings, tax benefit         1,100,000                            
Decrease in equity method investment to fair value       5,000,000                              
Fair Value of investment         1,300,000                            
Carrying value of investment       30,500,000                 6,000,000   144,000   300,000    
Fair value of investment       35,200,000                              
Payment for equity method investment                               $ 105,000     $ 500,000