General form of registration statement for all companies including face-amount certificate companies

Equity-Based Compensation - Additional Information (Details)

v3.20.4
Equity-Based Compensation - Additional Information (Details) - Incentive Unit Grant Agreements - USD ($)
$ in Millions
12 Months Ended
Oct. 03, 2020
Sep. 28, 2019
Sep. 29, 2018
Service Based Incentive Unit Grants      
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units [Line Items]      
Share based compensation by share based payment arrangement service period 4 years    
Allocated share based comepsnation expense $ 1.8 $ 2.1 $ 1.8
Share based compensation by share based payment arrangement equity instruments other than options grants in period 3,111,783 2,040,923 612,000
Share based compensation non vested award excluding option cost not yet recognised amount $ 6.7    
Share based compensation award cost not yet recognised period for recognition 4 years    
Service Based Incentive Unit Grants | Tranche One      
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units [Line Items]      
Share based compensation by share based payment arrangement vesting percentage 25.00%    
Service Based Incentive Unit Grants | Tranche Two      
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units [Line Items]      
Share based compensation by share based payment arrangement vesting percentage 25.00%    
Service Based Incentive Unit Grants | Tranche Three      
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units [Line Items]      
Share based compensation by share based payment arrangement vesting percentage 25.00%    
Service Based Incentive Unit Grants | Tranche Four      
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units [Line Items]      
Share based compensation by share based payment arrangement vesting percentage 25.00%    
Performance Based Incentive Unit Grants      
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units [Line Items]      
Allocated share based comepsnation expense $ 0.0 $ 0.0 $ 0.0
Share based compensation by share based payment arrangement equity instruments other than options grants in period 2,868,892 1,360,615 408,000