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Employee Investment Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Nov. 29, 2020
Nov. 24, 2019
Nov. 25, 2018
Disclosure of Employee Investment Plans [Abstract]      
ESIP Employer contributions match (percent) 125.00%    
ESIP Employer contribution match, percent of employee's eligible compensation, maximum (percent) 6.00%    
ESIP Compensation expense $ 17.3 $ 16.3 $ 14.9