Summarized Statement of Income Information for Vasconia in USD and MXN (Detail) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2014 Grupo Vasconia S.A.B. USD ($)	Sep. 30, 2014 Grupo Vasconia S.A.B. MXN	Sep. 30, 2013 Grupo Vasconia S.A.B. USD ($)	Sep. 30, 2013 Grupo Vasconia S.A.B. MXN	Sep. 30, 2014 Grupo Vasconia S.A.B. USD ($)	Sep. 30, 2014 Grupo Vasconia S.A.B. MXN	Sep. 30, 2013 Grupo Vasconia S.A.B. USD ($)	Sep. 30, 2013 Grupo Vasconia S.A.B. MXN
Schedule of Equity Method Investments [Line Items]
Net sales	$ 162,244	$ 142,229	$ 395,976	$ 337,862	$ 45,635	598,197	$ 37,306	481,222	$ 137,348	1,799,920	$ 116,117	1,472,703
Gross Profit	57,923	51,277	143,107	123,945	8,173	107,134	6,215	80,167	24,989	327,454	20,085	254,861
Income (loss) from operations	8,428	11,693	3,074	11,590	1,720	22,547	(131)	(1,686)	5,697	74,628	1,423	18,172
Net income (loss)	$ (1,586)	$ 1,093	$ (7,717)	$ (107)	$ 1,173	15,381	$ (853)	(11,003)	$ 2,649	34,575	$ 1,794	22,273

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