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BALANCE SHEET COMPONENTS - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 02, 2022
Jan. 03, 2021
Dec. 29, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Amortization $ 0.4 $ 5.0 $ 7.3
Depreciation $ 41.8 $ 42.3 $ 46.0