Leases - Operating Leases Included in Company's Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Operating Leased Assets [Line Items]
Assets leased to others, gross	$ 230,856	$ 230,113
Accumulated depreciation	(94,450)	(86,957)
Assets leased to others, net	136,406	143,156
Land
Operating Leased Assets [Line Items]
Assets leased to others, gross	33,430	32,646
Buildings
Operating Leased Assets [Line Items]
Assets leased to others, gross	47,792	47,723
Leasehold improvements
Operating Leased Assets [Line Items]
Assets leased to others, gross	147,743	149,027
Store, production, and other equipment
Operating Leased Assets [Line Items]
Assets leased to others, gross	150	150
Construction in progress
Operating Leased Assets [Line Items]
Assets leased to others, gross	$ 1,741	$ 567