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Employee Benefit Plans - Accumulated benefit obligations in excess of fair value of plan assets (Details) - USD ($)
$ in Millions
Nov. 27, 2022
Nov. 28, 2021
Accumulated benefit obligations in excess of plan assets [Abstract]    
Aggregate accumulated benefit obligation $ 117.3 $ 158.8
Projected benefit obligations in excess of plan assets [Abstract]    
Aggregate projected benefit obligation 119.3 162.2
Aggregate fair value of plan assets $ 0.0 $ 1.1