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Segment Information - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
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Sep. 30, 2013
|
Sep. 30, 2012
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|
| Operating Margin | ||||
| Total Contribution Margin | $ 601,900 | $ 485,000 | $ 1,728,100 | $ 1,428,600 |
| Selling, general and administrative expenses | 409,747 | 324,200 | 1,174,574 | 926,903 |
| Interest expense, net | 4,726 | 3,546 | 15,658 | 8,088 |
| Income before income taxes | 187,414 | 157,297 | 537,760 | 493,566 |
| Income taxes | 45,464 | 45,424 | 133,775 | 141,811 |
| Net income | 141,950 | 111,873 | 403,985 | 351,755 |
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Reportable Geographical Components [Member] | United States [Member]
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| Operating Margin | ||||
| Total Contribution Margin | 90,700 | 91,000 | 284,900 | 280,000 |
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Reportable Geographical Components [Member] | Mexico [Member]
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| Operating Margin | ||||
| Total Contribution Margin | 65,100 | 54,900 | 187,700 | 147,800 |
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Reportable Geographical Components [Member] | South Korea [Member]
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| Operating Margin | ||||
| Total Contribution Margin | 57,800 | 53,900 | 169,400 | 150,900 |
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Reportable Geographical Components [Member] | Others [Member]
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| Operating Margin | ||||
| Total Contribution Margin | 265,700 | 215,500 | 797,200 | 659,600 |
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Reportable Geographical Components [Member] | Primary Reporting Segment [Member]
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| Operating Margin | ||||
| Total Contribution Margin | 479,300 | 415,300 | 1,439,200 | 1,238,300 |
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Reportable Geographical Components [Member] | China [Member]
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| Operating Margin | ||||
| Total Contribution Margin | $ 122,600 | $ 69,700 | $ 288,900 | $ 190,300 |