Operating Property - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Property, Plant and Equipment [Line Items]
Finance leased assets gross	$ 222,993,000	$ 241,382,000
Finance leases balance sheet assets by major class net.	156,439,000	173,938,000
Finance leases	$ 29,054,000	$ 46,595,000	$ 33,560,000