Restructuring Expense (Separation and Restructuring Plan Activity) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Jun. 30, 2026
Restructuring Cost and Reserve [Line Items]
Increase in liability (termination and other charges)	$ 163	$ 310
Termination Benefits
Restructuring Cost and Reserve [Line Items]
Liability beginning balance	1,524
Increase in liability (termination and other charges)	63	$ 121	$ 5,592
Reduction in liability (payments and adjustments)	(1,356)		(4,068)
Liability ending balance	$ 231		$ 1,524