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Investment Income, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Net Investment Income [Line Items]      
Gain (loss) on sale of investments, net $ 335 $ 975 $ (799)
Other than temporary loss on cost method investment (3,150) 0 0
Other, net 118 40 251
Investment income, net 52,214 1,199 23,565
Investment Income, Dividend 54,911 $ 184 24,113
Arby's Restaurant Group, Inc [Member]      
Net Investment Income [Line Items]      
Investment Income, Dividend 54,911    
Arby's Restaurant Group, Inc [Member] | Investment Income [Member]      
Net Investment Income [Line Items]      
Investment Income, Dividend $ 54,911   $ 21,145