Restructuring and Other Related Costs - Restructuring and Other Related Costs (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 28, 2019	Dec. 29, 2018
Restructuring Cost and Reserve [Line Items]
Lease related impairment charges		$ 15,900
Total	$ 70,786
Cost of Revenue
Restructuring Cost and Reserve [Line Items]
Severance and related expenses	26,576	2,630
Lease related impairment charges	1,158	0
Asset impairment	2,201	0
Others	0
Total	29,935	2,630
Operating Expenses
Restructuring Cost and Reserve [Line Items]
Severance and related expenses	25,303	10,413
Lease related impairment charges	14,703	(544)
Asset impairment	7	2,643
Others	838
Total	$ 40,851	$ 12,512

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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