Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Debt
Total debt	$ 2,229,000	$ 2,235,600
Less: Current portion of debt and short-term borrowings	(48,100)	(53,800)
Less: Unamortized debt issuance costs	(23,000)	(24,100)
Long-term debt	2,157,881	2,157,740
Credit Agreement
Debt
Total debt	1,153,800	1,155,300
2027 Senior Notes
Debt
Total debt	997,300	997,300
Other Debt
Debt
Total debt	$ 77,900	$ 83,000

Amount of short-term and long-term debt and lease obligation.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Amount of long-term debt and lease obligation, classified as noncurrent.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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