v2.4.0.6
Income Taxes (Additional Information) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Mar. 30, 2013
Income Taxes [Line Items]          
Decrease in earnings before taxes compared to same period in 2012 1.10%   4.40%    
Decrease in income tax expense $ 49,148   $ 56,318    
Income tax provision (26,869) 22,279 192 56,510  
Effective tax rate 15.70% 13.70% 15.30% 12.00%  
Liability for Uncertain Tax Positions, Current 52,180   52,180   16,536
Income Tax Reconciliation, Tax Credits, Research     6,301    
Other Uncertain Tax Position Reserves $ 401 $ 1,737 $ 9,556 $ 11,945