v2.4.0.8
Income Taxes (Details) (USD $)
6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Income Tax Disclosure [Abstract]    
Effective tax rate (in hundredths) 31.60% 31.70%
Unrecognized tax benefits $ 40,500,000  
Total interest 8,300,000  
Total penalites $ 0