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Leases - Supplemental Cash Flow (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 03, 2021
Mar. 28, 2020
Leases [Abstract]    
Operating cash flows from operating leases $ 2,564 $ 2,774
Operating cash flows from finance leases 6,157 6,146
Financing cash flows from finance leases 2,129 2,562
Operating leases 0 0
Finance leases $ 10,211 $ 0