Fair Value Measures - Summary of Financial Assets and Liabilities Measured at Fair Value (Details) - Reported Value Measurement - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
Assets:
Investment in Equity Securities	$ 55	$ 128
Liabilities:
Contingent Consideration	9,270	15,161
Derivative and hedging instruments	1,944	3,626
Derivative assets	1,389	1,560
Level 1
Assets:
Investment in Equity Securities	55	128
Liabilities:
Contingent Consideration	0	0
Derivative and hedging instruments	0	0
Derivative assets	0	0
Level 2
Assets:
Investment in Equity Securities	0	0
Liabilities:
Contingent Consideration	0	0
Derivative and hedging instruments	1,944	3,626
Derivative assets	1,389	1,560
Level 3
Assets:
Investment in Equity Securities	0	0
Liabilities:
Contingent Consideration	9,270	15,161
Derivative and hedging instruments	0	0
Derivative assets	$ 0	$ 0