Papa John's Marketing Fund, Inc. (Details) - USD ($) $ in Thousands	Sep. 29, 2019	Dec. 31, 2018	Dec. 30, 2018
Current assets:
Cash and cash equivalents	$ 28,368		$ 33,258
Accounts receivable, net	82,401		78,118
Income tax receivable	5,905		16,146
Prepaid expenses	18,450	$ 25,707	30,376
Other current assets	21,125		5,678
Total current assets	194,384		196,277
Deferred income taxes, net	1,197		1,137
Total assets	730,565		595,897
Current liabilities:
Accounts payable	42,027		27,106
Accrued expenses and other current liabilities	115,026		129,167
Current deferred revenue	2,461		2,598
Debt	29,051		20,009
Total current liabilities	221,889		185,470
Deferred revenue	16,671		20,674
Total liabilities	800,009		894,446
Papa John's Marketing Fund Inc.
Current assets:
Cash and cash equivalents	3,247		13,790
Accounts receivable, net	9,991		10,264
Income tax receivable	124		73
Prepaid expenses	1,981		441
Other current assets	17,180		1
Total current assets	32,523		24,569
Deferred income taxes, net	381		381
Total assets	32,904		24,950
Current liabilities:
Accounts payable	15,286		20
Accrued expenses and other current liabilities	7,190		23,455
Current deferred revenue	111		155
Debt	9,051		9
Total current liabilities	31,638		23,639
Deferred revenue	3,992		5,995
Total liabilities	$ 35,630		$ 29,634