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LEASES - ADDITIONAL INFORMATION (Details) $ in Millions | 3 Months Ended
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Dec. 31, 2019 USD ($) lease extension
Lessee, Lease, Description [Line Items] |
ROU asset obtained in exchange for operating lease liability | $ 21.6
ROU asset obtained in exchange for finance lease liability | $ 4.0
Weighted average remaining lease term, operating lease | 28 years 1 month 6 days
Weighted average remaining lease term, finance lease | 4 years 6 months
Operating lease, discount rate | 3.10%
Finance lease, discount rate | 4.02%
Number of leases not yet commenced | lease | 4
Lease not yet commenced, estimated payments | $ 27.8
Number of options to extend | extension | 2
Renewal term | 5 years
Solar Property | Minimum |
Lessee, Lease, Description [Line Items] |
Term of contract | 15 years
Renewal term | 5 years
Solar Property | Maximum |
Lessee, Lease, Description [Line Items] |
Term of contract | 25 years
Renewal term | 10 years
Office Building | Minimum |
Lessee, Lease, Description [Line Items] |
Term of contract | 1 year
Office Building | Maximum |
Lessee, Lease, Description [Line Items] |
Term of contract | 25 years
Meter License |
Lessee, Lease, Description [Line Items] |
Term of contract | 7 years
Equipment |
Lessee, Lease, Description [Line Items] |
Term of contract | 5 years

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- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Discount rate used by lessee to determine present value of operating lease payments. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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