Lease Commitments - Summary of Weighted Average Remaining Lease Term, Discount Rate and Supplemental Cash Flow Information for All Operating Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 02, 2021	Jun. 26, 2020
Lease Cost [Abstract]
Weighted average remaining lease term (years)	6 years 2 months 23 days	6 years 3 months 7 days
Weighted average remaining discount rate	2.12%	2.01%
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow from operating leases	$ 3,883
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 4,634