Leases - Schedule of Lease Balance Classifications Within Consolidated Balance Sheets and Lease Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Operating lease right-of-use assets
Balance as of December 29, 2018	$ 0
Right-of-use assets recorded from adoption of ASC 842	29,893
Right-of-use assets obtained in exchange for new lease obligations during the period	747
Reduction in the carrying amount of right-of-use assets during the period	(5,797)	$ 0	$ 0
Impairment of right-of-use asset on Portland, Oregon office (recorded in Restructuring charges)	(977)
Adjustments for present value and foreign currency effects	(275)
Balance as of December 28, 2019	23,591	0
Operating lease liabilities
Balance as of December 29, 2018	0
Lease liabilities recorded from adoption of ASC 842	32,273
Lease liabilities incurred for new lease obligations during the period	747
Accretion of lease liabilities	1,918
Operating cash used by payments on lease liabilities	(8,425)
Adjustments for present value, foreign currency, and restructuring liability effects	(389)
Balance as of December 28, 2019	26,124	$ 0
Less: Current portion of operating lease liabilities	(4,686)
Long-term operating lease liabilities, net of current portion	$ 21,438