Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v3.19.3
Commitments and Contingencies (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]      
Rental expense charged to income $ 26.0 $ 23.2 $ 23.6
Aggregate future minimum lease payments for operating leases, excluding renewable periods      
2017 25.5    
2018 23.5    
2019 20.6    
2020 16.3    
2021 9.5    
Thereafter 28.0    
Future minimum operating lease payments, excluding renewable periods 123.4    
General Claims and Lawsuit | Maximum      
Commitments and Contingencies      
Deductibles and self-insured retentions per occurrence or per claim $ 0.5