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Accrued Restructuring Costs (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 28, 2020
Dec. 30, 2019
Restructuring Cost and Reserve [Line Items]    
Beginning balance $ 502 $ 3,551
Charged to expense 16,764 5,380
Amount paid (9,884) (8,429)
Ending balance 7,382 502
Employee Separation/ Severance    
Restructuring Cost and Reserve [Line Items]    
Beginning balance 260 3,158
Charged to expense 15,270 5,350
Amount paid (8,467) (8,248)
Ending balance 7,063 260
Contract Termination and Other Costs    
Restructuring Cost and Reserve [Line Items]    
Beginning balance 242 393
Charged to expense 1,494 30
Amount paid (1,417) (181)
Ending balance $ 319 $ 242