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Supplemental Financial Information Supplemental Financial Information - Derivative Instruments (Details) - USD ($)
$ in Millions
3 Months Ended
Nov. 30, 2018
Jan. 01, 2022
Derivative [Line Items]    
Interest rate collar 4 years  
Derivative, notional amount $ 150.0  
Floor interest rate 1.50%  
Ceiling interest rate 3.30%  
Fair value of interest rate contract   $ (1.2)
Interest Rate Collar    
Derivative [Line Items]    
Payments for interest rate collar   $ 0.5