Note 5 - Derivative Instruments (Tables)

6 Months Ended

Mar. 31, 2025

Notes Tables

Derivative Instruments, Gain (Loss) [Table Text Block]

	Three Months Ended						Six Months Ended
	March 31,						March 31,
	2025			2024			2025			2024
Realized losses on derivatives not designated as hedging instruments	$	(1,407	)	$	(548	)	$	(212	)	$	(1,787	)

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

		March 31,		September 30,
	Hedge Designation	2025		2024
Cross-currency swap	Net Investment Hedge	$	260,025	$	75,978
Foreign exchange contracts	Undesignated		58,920		60,101