Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 27, 2020	Dec. 27, 2019
Accrued Liabilities And Other Liabilities Current [Abstract]
Accrued compensation and benefits	$ 7,209	$ 3,987
Accrued bonuses	1,068	3,932
Accrued dividend payable		5,791
Restructuring liability	526	1,584
Deferred revenue	11,922	9,583
Accrued sales, use, franchise and VAT tax	2,083	2,460
Non-cash stock compensation accrual	100	339
Income tax payable	2,705	2,611
Other accrued expenses	2,235	2,195
Total accrued expenses and other liabilities	$ 27,848	$ 32,482