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Leases - Maturities of Lease Liabilities (Details) - USD ($)	Jan. 02, 2021	Dec. 28, 2019
Operating Leases
2021	$ 22,292,000
2022	16,513,000
2023	12,986,000
2024	8,912,000
2025	7,485,000
Thereafter	12,403,000
Total lease payments	80,591,000
Less: Interest	7,372,000
Present value of lease liabilities	73,219,000
Finance Leases
2021	1,696,000
2022	1,482,000
2023	1,387,000
2024	1,047,000
2025	737,000
Thereafter	0
Total lease payments	6,349,000
Less: Interest	244,000
Present value of lease liabilities	6,105,000
Total
2021	23,988,000
2022	17,995,000
2023	14,373,000
2024	9,959,000
2025	8,222,000
Thereafter	12,403,000
Total lease payments	86,940,000
Less: Interest	7,616,000
Present value of operating lease and finance lease liabilities	79,324,000	$ 82,596,000
Payments for leases with option to extend	0
Finance lease payments related to options to extend lease terms	0
Minimum lease payments for leases signed but not yet commenced	$ 4,600,000

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