Quarterly report pursuant to Section 13 or 15(d)

Leases - Lease Cost (Details)

v3.21.2
Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 25, 2021
Sep. 26, 2020
Sep. 25, 2021
Sep. 26, 2020
Leases [Abstract]        
Operating lease cost $ 5,482 $ 4,989 $ 15,724 $ 14,283
Short term lease costs 834 633 2,820 1,682
Variable lease costs 576 104 1,334 775
Finance lease cost:        
Amortization of right of use assets 230 206 668 608
Interest on lease liabilities $ 29 $ 34 $ 96 $ 106