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Leases, Codification Topic 842 (Tables)
 12 Months Ended
Sep. 30, 2022
Leases [Abstract]  
Lease, Cost
The components of lease cost are presented below.

Year ended September 30,
202220212020
(in millions)
Operating lease cost$5.8 $6.1 $6.3 
Finance lease cost1.3 1.2 1.3 
Total lease expense$7.1 $7.3 $7.6 
Supplemental Balance Sheet - Leases
Supplemental information regarding our lease assets and liabilities is below.
September 30,
20222021
(in millions)
Right-of-use assets:
Operating leasesOther noncurrent assets$26.0 $27.1 
Finance leasesPlant, property and equipment1.4 2.2 
Total right-of-use assets $27.4 $29.3 
Lease liabilities:
Operating leases - currentOther current liabilities$4.4 $4.0 
Operating leases - noncurrentOther noncurrent liabilities22.4 24.6 
Finance leases - currentCurrent portion of long-term debt0.8 1.0 
Finance leases - noncurrentLong-term debt0.8 1.2 
Total lease liabilities$28.4 $30.8 
Supplemental Information - Leases
Supplemental information related to lease terms and discount rates are presented below.
Year ended September 30,
20222021
Weighted-average remaining lease term (years):
Operating leases6.677.82
Finance leases2.152.53
Weighted-average interest rate:
Operating leases5.48 %5.36 %
Finance leases3.64 %4.24 %
Lease Maturity Schedule Total lease liabilities at September 30, 2022 have scheduled maturities as follows:
Operating LeasesFinance Leases
(in millions)
2023$5.9 $0.9 
20245.7 0.5 
20255.1 0.2 
20264.7 0.1 
20273.9 — 
Thereafter7.3 — 
Total lease payments32.6 1.7 
Less: imputed interest(5.8)(0.1)
Present value of lease liabilities$26.8 $1.6 
ScheduleOfCashFlowSupplementalDisclosures - Leases
Supplemental cash flow information related to leases are presented below, in millions.
Year ended September 30,
20222021
Operating cash used for operating leases$5.8 $6.1 
Financing cash used for finance leases$1.3 $1.2