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Revenues - Contract Assets and Liabilities (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 02, 2021
Apr. 03, 2020
Jan. 01, 2021
Revenue from Contract with Customer [Abstract]      
Contract assets $ 0   $ 0
Current portion 9,207   1,790
Long-term portion 9,760   3,755
Total contract liabilities 18,967   $ 5,545
Contract revenue recognized, including revenue from deferred revenue beginning balance 2,500 $ 1,600  
Revenues recognized for performance obligations satisfied in previous periods 27,800 $ 18,800  
Remaining performance obligation $ 87,300