Noncontrolling Interests (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Noncontrolling Interest [Line Items]
Noncontrolling interests	$ 4,382	$ 3,442	$ 4,342
Income before income taxes	114,255	106,109	98,395
Joint ventures
Noncontrolling Interest [Line Items]
Papa John's International, Inc.	6,932	5,121	6,823
Noncontrolling interests	4,382	3,442	4,342
Income before income taxes	$ 11,314	$ 8,563	$ 11,165