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Investment Income, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2017
Jan. 03, 2016
Dec. 28, 2014
Net Investment Income [Line Items]      
Gain (loss) on sale of investments, net $ 497 $ 335 $ 975
Other than temporary loss on cost method investment 0 (3,150) 0
Other, net 226 118 40
Investment income, net 723 52,214 1,199
Investment Income, Dividend $ 0 54,911 $ 184
Arby's Restaurant Group, Inc [Member] | Investment Income [Member]      
Net Investment Income [Line Items]      
Investment Income, Dividend   $ 54,911