Balance Sheet Components - Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands		Jun. 28, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Accrued employee compensation and related expenses		$ 16,694	$ 21,451
Operating lease liability (short-term)		10,519
Accrued warranty		4,802	4,869
Contingent inventory reserves		2,263	2,500
Accrued TVN VDP, current (3)	[1]	1,285	1,585
Accrued Avid litigation settlement, current		0	1,500
Others		21,201	20,856
Accrued Liabilities, Current		$ 56,764	$ 52,761

[1] See Note 10, “Restructuring and related charges-TVN VDP,” for additional information on the Company’s TVN VDP liabilities.