Leases - Property and Equipment Owned Assets Leased to Others (Detail) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Lessor Lease Description [Line Items]
Property and equipment, owned assets leased to others	$ 36,364	$ 36,321
Less accumulated amortization and depreciation	10,895	10,044
Net owned assets leased to others	25,469	26,277
Land and improvements [Member]
Lessor Lease Description [Line Items]
Property and equipment, owned assets leased to others	7,077	7,389
Buildings [Member]
Lessor Lease Description [Line Items]
Property and equipment, owned assets leased to others	$ 29,287	$ 28,932