Balance Sheet Details - Schedule of Other Non-Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 31, 2019
Other Liabilities Noncurrent [Abstract]
Unrecognized tax benefits (including interest)	$ 7,063	$ 6,384
Non-current operating lease obligations	17,373	19,970
Deferred revenue	1,764	2,464
Other	5,323	2,953
Total other non-current liabilities	$ 31,523	$ 31,771