Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Current provision:
U.S. federal	$ (96,224)	$ 2,338	$ (14,386)
Non-U.S	16,522	28,109	35,854
State and local	(681)	(2,330)	(2,056)
Total current	(80,383)	28,117	19,412
Deferred provision (benefit):
U.S. federal	0	0	0
Non-U.S	4,340	(9,436)	1,696
State and local	0	0	0
Total deferred	4,340	(9,436)	1,696
Provision for income taxes	$ (76,043)	$ 18,681	$ 21,108

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