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EQUITY INVESTMENTS - Schedule of Equity Investments (Details) - USD ($)
$ in Thousands
Jan. 02, 2022
Jan. 03, 2021
Mar. 31, 2016
Schedule of Equity Method Investments [Line Items]      
Equity method investments $ 11,230 $ 25,707  
Equity investments without readily determinable fair value 4,000 4,000  
Total equity investments 15,230 29,707  
Huansheng Photovoltaic (Jiangsu) Co., Ltd.      
Schedule of Equity Method Investments [Line Items]      
Equity method investments $ 11,230 $ 25,707  
Equity investments without readily determinable fair value     $ 9,200