Quarterly report pursuant to Section 13 or 15(d)

Leases - Lease Cost (Details)

v3.20.1
Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Leases [Abstract]    
Operating lease cost $ 4,747 $ 4,723
Short term lease costs 520 1,233
Variable lease costs 181 188
Amortization of right of use assets 202 92
Interest on lease liabilities $ 36 $ 15