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

Leases - Additional Information (Details)

v3.20.4
Leases - Additional Information (Details)
$ in Millions
3 Months Ended 12 Months Ended
Jan. 02, 2021
USD ($)
Dec. 28, 2019
USD ($)
Oct. 03, 2020
USD ($)
Locations
Sep. 28, 2019
USD ($)
Sep. 29, 2018
USD ($)
Lessee Lease Description [Line Items]          
Rent expense | $ $ 17.0 $ 15.8 $ 66.6 $ 63.6 $ 59.9
Minimum          
Lessee Lease Description [Line Items]          
Operating lease term     5 years    
Maximum          
Lessee Lease Description [Line Items]          
Operating lease term     10 years    
Commercial Real Estate          
Lessee Lease Description [Line Items]          
Number of locations where sublease is involved | Locations     5    
Lease For Corporate Head Quarters          
Lessee Lease Description [Line Items]          
Operating lease term     13 years