Noncontrolling Interests - Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Minority Interest [Line Items]
Noncontrolling interests	$ 1,599	$ 4,233	$ 6,272
Total income before income taxes	5,891	140,342	158,809
Joint ventures
Minority Interest [Line Items]
Papa John's International, Inc.	5,794	7,181	9,913
Noncontrolling interests	1,599	4,233	6,272
Total income before income taxes	$ 7,393	$ 11,414	$ 16,185