Quarterly report pursuant to Section 13 or 15(d)

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

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Derivatives and Hedging Activities - Interest Rate Swap Contracts Reflected in Consolidated Balance Sheets (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Interest Rate Swaps | Cash flow hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Total derivatives $ 1,132 $ (2,606)
Cross-Currency Swaps    
Derivatives, Fair Value [Line Items]    
Advance payments received from counterparties 58,432 58,432
Cross-Currency Swaps | Net investment hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Total derivatives (55,015) (66,967)
Other current assets | Interest Rate Swaps | Cash flow hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Assets derivatives 454 0
Other current assets | Cross-Currency Swaps | Net investment hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Assets derivatives 0 0
Other assets | Interest Rate Swaps | Cash flow hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Assets derivatives 1,021 0
Other assets | Cross-Currency Swaps | Net investment hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Assets derivatives 0 0
Other current liabilities | Interest Rate Swaps | Cash flow hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Liability derivatives (133) (863)
Other current liabilities | Cross-Currency Swaps | Net investment hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Liability derivatives (15,931) (18,042)
Other liabilities | Interest Rate Swaps | Cash flow hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Liability derivatives (210) (1,743)
Other liabilities | Cross-Currency Swaps | Net investment hedges | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Liability derivatives $ (39,084) $ (48,925)