Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Detail)

v2.4.0.8
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
Sep. 30, 2013
Sep. 30, 2012
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
Reportable Geographical Components [Member] | United States [Member]
       
Operating Margin        
Total Contribution Margin 90,700 91,000 284,900 280,000
Reportable Geographical Components [Member] | Mexico [Member]
       
Operating Margin        
Total Contribution Margin 65,100 54,900 187,700 147,800
Reportable Geographical Components [Member] | South Korea [Member]
       
Operating Margin        
Total Contribution Margin 57,800 53,900 169,400 150,900
Reportable Geographical Components [Member] | Others [Member]
       
Operating Margin        
Total Contribution Margin 265,700 215,500 797,200 659,600
Reportable Geographical Components [Member] | Primary Reporting Segment [Member]
       
Operating Margin        
Total Contribution Margin 479,300 415,300 1,439,200 1,238,300
Reportable Geographical Components [Member] | China [Member]
       
Operating Margin        
Total Contribution Margin $ 122,600 $ 69,700 $ 288,900 $ 190,300