Leases - Lease Balances (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 47,911	$ 50,160
Long-term lease liability	41,704	43,827
Total lease liabilities	$ 51,606	$ 53,852
Weighted Average Remaining Lease Term (years)	8 years 2 months 12 days	8 years 4 months 24 days
Weighted Average Discount Rate	4.90%	5.10%
Right-of-use assets
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 47,911	$ 50,160
Accrued Liabilities
Lessee, Lease, Description [Line Items]
Short-term lease liability	9,902	10,025
Long-term lease
Lessee, Lease, Description [Line Items]
Long-term lease liability	$ 41,704	$ 43,827