Leases - Summary of Supplemental Balance Sheet Information Related to Operating Leases (Detail) - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 28, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 32,230	$ 32,198
Other accrued liabilities	$ 5,412
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherAccruedLiabilitiesCurrent
Long-term operating lease liabilities	$ 29,714	$ 29,730
Total operating lease liabilities	$ 35,126
Weighted average remaining lease term (years)	9 years 1 month 28 days
Weighted average discount rate	5.18%