Quarterly report pursuant to Section 13 or 15(d)

Derivatives and Hedging Instruments - Interest Rate Swap Contracts Reflected in Consolidated Balance Sheets (Details)

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Derivatives and Hedging Instruments - Interest Rate Swap Contracts Reflected in Consolidated Balance Sheets (Details) - Designated as Hedging Instrument - USD ($)
$ in Thousands
Mar. 31, 2023
Sep. 30, 2022
Interest Rate Swaps | Cash flow hedges    
Derivatives, Fair Value [Line Items]    
Total derivatives $ (3,394) $ 10,699
Cross- Currency Swaps | Net investment hedges    
Derivatives, Fair Value [Line Items]    
Total derivatives (3,107) 3,722
Other current assets | Interest Rate Swaps | Cash flow hedges    
Derivatives, Fair Value [Line Items]    
Assets derivatives 2 3,358
Other current assets | Cross- Currency Swaps | Net investment hedges    
Derivatives, Fair Value [Line Items]    
Assets derivatives 0 0
Other assets | Interest Rate Swaps | Cash flow hedges    
Derivatives, Fair Value [Line Items]    
Assets derivatives 8 7,341
Other assets | Cross- Currency Swaps | Net investment hedges    
Derivatives, Fair Value [Line Items]    
Assets derivatives 0 3,722
Other current liabilities | Interest Rate Swaps | Cash flow hedges    
Derivatives, Fair Value [Line Items]    
Liability derivatives (751) 0
Other current liabilities | Cross- Currency Swaps | Net investment hedges    
Derivatives, Fair Value [Line Items]    
Liability derivatives 0 0
Other liabilities | Interest Rate Swaps | Cash flow hedges    
Derivatives, Fair Value [Line Items]    
Liability derivatives (2,653) 0
Other liabilities | Cross- Currency Swaps | Net investment hedges    
Derivatives, Fair Value [Line Items]    
Liability derivatives $ (3,107) $ 0