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Income Taxes (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Income Tax Disclosure [Abstract]      
Federal income tax expense at U.S. statutory rate $ 238,803 $ 220,385 $ 198,516
State income tax expense, net of federal tax effect 5,977 2,749 1,931
Foreign tax rate differential (102,316) (111,989) (100,010)
Other foreign taxes less incentives and credits (4,646) (16,593) (8,592)
Withholding Tax 14,632 17,447 16,969
Net Change in Uncertain Tax Positions 5,363 17,328 21,246
Federal Domestic Production Activities Deduction (3,895) (5,528) (4,589)
Federal Research and Development Credit (10,851) (8,548) (8,573)
Switzerland Corporate Tax Election (180,034)
Share Based Compensation 19,916
Other, net 4,390 3,605 (5,938)
Income tax provision $ (12,661) $ 118,856 $ 110,960