Annual report pursuant to Section 13 and 15(d)

Leases - Supplemental Consolidated Balance Sheet Information (Details)

v3.21.2
Leases - Supplemental Consolidated Balance Sheet Information (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Sep. 30, 2020
Lessee, Lease, Description [Line Items]    
Operating lease liabilities $ 30.7 $ 31.2
Total operating lease liabilities $ 136.3 $ 152.1
Weighted-average remaining lease term (in years) 7 years 2 months 12 days 7 years 7 months 6 days
Weighted-average discount rate 2.10% 2.50%
Operating lease liabilities $ 105.6 $ 120.9
Accounting Standards Update 2016-02 [Member]    
Lessee, Lease, Description [Line Items]    
Operating lease right-of-use assets $ 138.1 $ 154.4