Income Taxes - Provision for (Benefit from) Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Federal:
Current		$ (313)
Deferred	$ 0	0
Federal Income Tax Expense (Benefit), Operations, Total		(313)
State:
Current	4	5
Deferred	0	0
State and Local Income Tax Expense (Benefit), Operations, Total	4	5
Foreign:
Current	1,694	1,041
Deferred	1,661	(7,909)
Foreign Income Tax Expense (Benefit), Operations, Total	3,355	(6,868)
Total	$ 3,359	$ (7,176)