Leases Future Minimum Rental Payments for Non-cancelable Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 30, 2018
Entity Operated Units
Finance Lease Liabilities, Payments, Due
Future minimum finance lease payments, remainder of fiscal year	$ 1,917
Future minimum finance lease payments, due next twelve months		$ 1,962
Future minimum finance lease payments, due year two	2,577	1,978
Future minimum finance lease payments, due year three	2,687	2,082
Future minimum finance lease payments, due year four	2,738	2,114
Future minimum finance lease payments, due year five	2,690	2,084
Future minimum finance lease payments, due after year five	34,441	23,558
Total minimum finance lease payments	47,050	33,778
Interest incurred on total minimum finance lease payments	(22,400)	(16,874)
Present value of minimum finance lease payments	24,650	16,904
Operating Lease Liabilities, Payments Due
Future minimum operating lease payments, remainder of fiscal year	15,168
Future minimum operating lease payments, due next twelve months		20,174
Future minimum operating lease payments, due year two	20,022	20,052
Future minimum operating lease payments, due year three	19,764	19,820
Future minimum operating lease payments, due year four	19,398	19,530
Future minimum operating lease payments, due year five	19,376	19,430
Future minimum operating lease payments, due after year five	200,962	203,073
Total minimum operating lease payments	294,690	302,079
Interest incurred on total minimum operating lease payments	(93,278)
Present value of minimum operating lease payments	201,412
Franchised Units
Finance Lease Liabilities, Payments, Due
Future minimum finance lease payments, remainder of fiscal year	34,251
Future minimum finance lease payments, due next twelve months		45,125
Future minimum finance lease payments, due year two	44,313	43,969
Future minimum finance lease payments, due year three	45,706	45,522
Future minimum finance lease payments, due year four	46,724	46,573
Future minimum finance lease payments, due year five	48,389	48,109
Future minimum finance lease payments, due after year five	688,400	676,139
Total minimum finance lease payments	907,783	905,437
Interest incurred on total minimum finance lease payments	(464,458)	(466,705)
Present value of minimum finance lease payments	443,325	438,732
Operating Lease Liabilities, Payments Due
Future minimum operating lease payments, remainder of fiscal year	54,760
Future minimum operating lease payments, due next twelve months		75,703
Future minimum operating lease payments, due year two	73,121	73,320
Future minimum operating lease payments, due year three	73,067	73,167
Future minimum operating lease payments, due year four	73,330	73,300
Future minimum operating lease payments, due year five	73,407	73,377
Future minimum operating lease payments, due after year five	853,051	854,964
Total minimum operating lease payments	1,200,736	1,223,831
Interest incurred on total minimum operating lease payments	(400,752)
Present value of minimum operating lease payments	799,984
Current portion of finance lease liabilities
Finance Lease Liabilities, Payments, Due
Present value of minimum finance lease payments	9,380	8,405
Long-term finance lease liabilities
Finance Lease Liabilities, Payments, Due
Present value of minimum finance lease payments	458,595	$ 447,231
Current portion of operating lease liabilities
Operating Lease Liabilities, Payments Due
Present value of minimum operating lease payments	43,657
Long-term operating lease liabilities
Operating Lease Liabilities, Payments Due
Present value of minimum operating lease payments	$ 957,739