Leases - Minimum Future Lease Obligations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 30, 2020
Lessee, Lease, Description [Line Items]
Finance Lease, Liability, Payments, Remainder of Fiscal Year	$ 140
Finance Lease, Liability, Payments Due Year One	190
Finance Lease, Liability, Payments, Due Year Two	145
Finance Lease, Liability, Payments, Due Year Three	145
Finance Lease, Liability, Payments, Due Year Four	141
Thereafter	1,690
Total	2,451
Finance Lease, Liability, Undiscounted Excess Amount	(499)
Present value of lease obligations	1,952
Less: current maturities	(134)	$ (70)
Obligations under finance leases, net of current portion	1,818	1,692
Operating Leases, Future Minimum Payments Due, Remainder of Fiscal Year	21,694
Operating Leases, Future Minimum Payments, Due in One Year	27,051
Operating Leases, Future Minimum Payments, Due in Two Years	24,717
Operating Leases, Future Minimum Payments, Due in Three Years	22,428
Operating Leases, Future Minimum Payments, Due in Four Years	19,989
Thereafter	129,774
Total	245,653
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(47,056)
Present value of lease obligations	198,597
Less: current maturities	(19,949)	(19,907)
Noncurrent portion	178,648	$ 178,658
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Remainder Of Fiscal Year	2,302
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Next Twelve Months	3,383
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, within Two Years	3,346
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, within Three Years	3,231
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, within Four Years	2,881
Thereafter	24,475
Total	$ 39,618
Minimum
Lessee, Lease, Description [Line Items]
Imputed interest rate	1.54%
Maximum
Lessee, Lease, Description [Line Items]
Imputed interest rate	4.35%