Leases Future Minimum Rental Payments for Non-cancelable Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 30, 2018
Entity Operated Units
Finance Lease Liabilities, Payments, Due
Future minimum finance lease payments, remainder of fiscal year	$ 1,338
Future minimum finance lease payments, due next twelve months		$ 1,962
Future minimum finance lease payments, due year two	2,697	1,978
Future minimum finance lease payments, due year three	2,808	2,082
Future minimum finance lease payments, due year four	2,858	2,114
Future minimum finance lease payments, due year five	2,810	2,084
Future minimum finance lease payments, due after year five	37,034	23,558
Total minimum finance lease payments	49,545	33,778
Interest incurred on total minimum finance lease payments	(23,169)	(16,874)
Present value of minimum finance lease payments	26,376	16,904
Operating Lease Liabilities, Payments Due
Future minimum operating lease payments, remainder of fiscal year	10,072
Future minimum operating lease payments, due next twelve months		20,174
Future minimum operating lease payments, due year two	19,921	20,052
Future minimum operating lease payments, due year three	19,733	19,820
Future minimum operating lease payments, due year four	19,421	19,530
Future minimum operating lease payments, due year five	19,400	19,430
Future minimum operating lease payments, due after year five	201,762	203,073
Total minimum operating lease payments	290,309	302,079
Interest incurred on total minimum operating lease payments	(91,101)
Present value of minimum operating lease payments	199,208
Franchised Units
Finance Lease Liabilities, Payments, Due
Future minimum finance lease payments, remainder of fiscal year	23,714
Future minimum finance lease payments, due next twelve months		45,125
Future minimum finance lease payments, due year two	44,918	43,969
Future minimum finance lease payments, due year three	46,315	45,522
Future minimum finance lease payments, due year four	47,322	46,573
Future minimum finance lease payments, due year five	48,988	48,109
Future minimum finance lease payments, due after year five	695,753	676,139
Total minimum finance lease payments	907,010	905,437
Interest incurred on total minimum finance lease payments	(458,243)	(466,705)
Present value of minimum finance lease payments	448,767	438,732
Operating Lease Liabilities, Payments Due
Future minimum operating lease payments, remainder of fiscal year	35,660
Future minimum operating lease payments, due next twelve months		75,703
Future minimum operating lease payments, due year two	71,537	73,320
Future minimum operating lease payments, due year three	71,433	73,167
Future minimum operating lease payments, due year four	71,604	73,300
Future minimum operating lease payments, due year five	71,571	73,377
Future minimum operating lease payments, due after year five	836,750	854,964
Total minimum operating lease payments	1,158,555	1,223,831
Interest incurred on total minimum operating lease payments	(383,409)
Present value of minimum operating lease payments	775,146
Current portion of finance lease liabilities
Finance Lease Liabilities, Payments, Due
Present value of minimum finance lease payments	9,917	8,405
Long-term finance lease liabilities
Finance Lease Liabilities, Payments, Due
Present value of minimum finance lease payments	465,226	$ 447,231
Current portion of operating lease liabilities
Operating Lease Liabilities, Payments Due
Present value of minimum operating lease payments	43,321
Long-term operating lease liabilities
Operating Lease Liabilities, Payments Due
Present value of minimum operating lease payments	$ 931,033