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Credit Facilities, Short-term Borrowings and Long-term Debt (Narrative) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($)
Debt Instrument [Line Items] |  |
Short-term debt | $ 109,300 | $ 66,800
Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Line of credit facility, maximum borrowing capacity | 1,000,000 |
Line of credit facility, maximum borrowing capacity extension | 1,500,000 |
Principal amount borrowing outstanding | $ 109,300 | $ 66,800
Effective interest rate | 0.0575 | 0.0424
Foreign Lines of Credit and Overdraft Facilities [Member] |  |
Debt Instrument [Line Items] |  |
Short-term debt | $ 0 | $ 0
Minimum [Member] | SOFR [Member] | Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 0.875% |
Maximum [Member] | SOFR [Member] | Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.75% |

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