Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details 1)

v2.4.0.6
Segment Information (Details 1) (USD $)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Operating Margin    
Total Contribution Margin $ 450,600,000 $ 367,900,000
Selling, general and administrative expenses 296,393,000 244,526,000
Interest expense, net 1,373,000 2,648,000
Income before income taxes 152,732,000 120,752,000
Income taxes 44,570,000 32,733,000
Net income 108,162,000 88,019,000
United States [Member]
   
Operating Margin    
Total Contribution Margin 95,400,000 68,400,000
Mexico [Member]
   
Operating Margin    
Total Contribution Margin 43,900,000 40,400,000
South Korea [Member]
   
Operating Margin    
Total Contribution Margin 42,000,000 27,200,000
Others [Member]
   
Operating Margin    
Total Contribution Margin 218,100,000 191,600,000
Primary Reporting Segment [Member]
   
Operating Margin    
Total Contribution Margin 399,400,000 327,600,000
China [Member]
   
Operating Margin    
Total Contribution Margin $ 51,200,000 $ 40,300,000