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Income Taxes (Details 3) (USD $)
 3 Months Ended 12 Months Ended
Mar. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Contingency [Line Items]        
Unrecognized tax benefits, balance at the beginning of the period $ 64,390,000 $ 64,390,000 $ 73,199,000 $ 71,523,000
Decrease in unrecognized tax benefits resulting from settlements with taxing authorities   (35,279,000) (5,625,000)  
Other changes in uncertain tax benefits   (4,395,000) (3,184,000) 1,676,000
Unrecognized tax benefits, balance at the end of the period   24,716,000 64,390,000 73,199,000
Reversal of interest on unrecognized tax benefits       2,000,000
Provision for income tax audit settlement   4,000,000    
Net tax benefit related to completed tax audit examinations 31,000,000 31,000,000    
Expected change in unrecognized tax benefits in the next twelve months   $ 6,000,000