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Summarized Statement of Operations Information for Vasconia in USD and MXN (Detail)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
USD ($)
Mar. 31, 2012
USD ($)
Mar. 31, 2013
Grupo Vasconia S.A.B.
USD ($)
Mar. 31, 2013
Grupo Vasconia S.A.B.
MXN
Mar. 31, 2012
Grupo Vasconia S.A.B.
USD ($)
Mar. 31, 2012
Grupo Vasconia S.A.B.
MXN
Schedule of Equity Method Investments [Line Items]            
Net sales $ 98,657 $ 109,041 $ 40,240 510,879 $ 28,687 372,489
Gross Profit 36,312 40,460 7,917 100,519 8,168 106,064
Income from operations (115) 3,232 2,140 27,169 3,322 43,134
Net Income $ (632) $ 1,344 $ 1,226 15,568 $ 1,965 25,511