Other Assets (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Cloud computing arrangements	$ 10,651	$ 6,374
Deposits	6,270	6,440
Customer displays	5,055	11,213
Long-term notes and accounts receivable	5,838	5,177
Overfunded pension benefit obligation	2,164	2,015
Debt issuance costs on unused portion of revolver facility	1,103	1,472
Other long-term assets	393	375
Other prepaid expenses	384	1,896
Total other assets	$ 31,858	$ 34,962