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Income Taxes - Income before Taxes and Equity in Earnings of Affiliates and Provisions for Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Income before equity method investments, income taxes and loss on sale of equity investment [Abstract]      
Domestic $ 649,657 $ 625,792 $ 591,320
Foreign 173,191 130,043 129,438
Total income before taxes and equity in earnings of affiliates $ 822,848 $ 755,835 $ 720,758