Leases - Maturity of Lease Liabilities (Details) $ in Thousands	Dec. 27, 2019 USD ($)
Finance Lease, Liability, Payment, Due [Abstract]
2020	$ 433
2021	412
2022	387
2023	295
2024	60
2025 and after	0
Total lease payments	1,587
Less: Interest	(47)
Present value of lease liabilities	1,540
Operating Leases
2020	13,950
2021	10,987
2022	8,496
2023	6,170
2024	4,929
2025 and after	6,143
Total lease payments	50,675
Less: Interest	(6,554)
Present value of lease liabilities	$ 44,121