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v3.22.2.2

Financial Instruments and Fair Value Measurements (Narrative) (Details) $ in Thousands | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($)
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Measurement Input, Discount Rate [Member] | Long-Term Debt [Member] | Weighted Average [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Interest rate used to measure long-term debt | 5.6 | 1.6
Long Term Notes Receivable from Municipalities [Member] | Measurement Input, Discount Rate [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Interest rate used to measure municipal notes | 3.5 | 1.3
Investments in Short-Term Time Deposits [Member] | Measurement Input, Discount Rate [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Interest rate used to measure short-term time deposits | 6.1 | 3.3
Cross Currency Interest Rate Swaps [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Cross currency interest rate swaps | $ 38,168 |
Cross currency interest rate swaps |  | $ 50,185

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