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Definite-lived Intangibles (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 28, 2020
Dec. 30, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross Amount $ 445,150 $ 445,150
Accumulated Amortization (163,843) (119,470)
Net Carrying Amount 281,307 325,680
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Amount 397,500 396,270
Accumulated Amortization (150,142) (111,272)
Net Carrying Amount $ 247,358 $ 284,998
Estimated useful lives of intangibles (in years) 10 years 10 months 24 days 11 years
Customer Relationships | Acquired Intangible Assets    
Finite-Lived Intangible Assets [Line Items]    
Gross Amount   $ 1,230
Accumulated Amortization   (31)
Net Carrying Amount   $ 1,199
Estimated useful lives of intangibles (in years)   5 years
Technology    
Finite-Lived Intangible Assets [Line Items]    
Gross Amount $ 47,650 $ 39,500
Accumulated Amortization (13,701) (8,064)
Net Carrying Amount $ 33,949 $ 31,436
Estimated useful lives of intangibles (in years) 9 years 6 months 9 years 4 months 24 days
Technology | Acquired Intangible Assets    
Finite-Lived Intangible Assets [Line Items]    
Gross Amount   $ 8,150
Accumulated Amortization   (103)
Net Carrying Amount   $ 8,047
Estimated useful lives of intangibles (in years)   10 years