Leases - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Leases Disclosure [Line Items]
Finance Lease Option to Purchase Option Value	$ 1
Lessee, Finance Lease, Term of Contract	5 years
Sublease rent income, net of rent expense	$ 5,216,000	$ 868,000	$ 1,419,000