Quarterly report pursuant to Section 13 or 15(d)

Derivatives and Hedging Activities - Narrative (Details)

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Derivatives and Hedging Activities - Narrative (Details)
$ in Thousands, € in Millions, kr in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2024
EUR (€)
Jun. 30, 2024
SEK (kr)
Sep. 30, 2023
EUR (€)
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Derivative asset, noncurrent, statement of financial position [extensible enumeration] Other assets, Other liabilities   Other assets, Other liabilities   Other assets, Other liabilities Other assets, Other liabilities Other assets, Other liabilities Other assets, Other liabilities
Proceeds from net investment hedge     $ 17,416 $ 0        
Foreign Line of Credit                
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Outstanding borrowings $ 58,947   58,947   $ 58,168 € 55.0   € 55.0
Designated as Hedging Instrument                
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Unrealized gain expected to be recognized over the next 12 months 2,580   2,580          
Interest Rate Swaps | Cash flow hedges | Designated as Hedging Instrument                
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Unrealized gain on fair value of interest rate swaps, before tax     2,257   4,006      
Unrealized gain on fair value of interest rate swaps, after tax     1,685   2,991      
Derivative, notional amount 175,000   175,000   175,000      
LIBOR-Based Swap | Cash flow hedges | Designated as Hedging Instrument                
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Unrecognized gain on LIBOR-based swaps     4,751   8,084      
Unrecognized gain on LIBOR-based swaps, after tax     3,549   6,041      
Cross- Currency Swaps | Net investment hedges                
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Derivative, notional amount 20,000   20,000       kr 212.7  
Proceeds from net investment hedge     17,416          
Derivative liability 17,416   17,416          
Cross- Currency Swaps | Net investment hedges | Designated as Hedging Instrument                
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Derivative, notional amount 81,392   81,392   81,392      
Net investment hedge, gain (loss), after reclassification and tax     2,884   2,065      
Net investment hedge, gain (loss), after reclassification, tax expense (benefit)     979   701      
Derivative asset, noncurrent 3,863   3,863   $ 2,766      
Cross- Currency Swaps | Net investment hedges | Designated as Hedging Instrument | Interest Expense                
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Net investment hedge income $ 306 $ 284 891 $ 866        
Foreign currency debt instruments | Net investment hedges | Designated as Hedging Instrument                
Derivative Instruments and Hedging Activities Disclosures [Line Items]                
Net investment hedge, gain (loss), after reclassification and tax     1,693          
Net investment hedge, gain (loss), after reclassification, tax expense (benefit)     $ 574