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Restructuring and Related Charges (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Jun. 30, 2025	Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of reversals and impairment	$ 400	$ 1,300
Restructuring charges	437	1,573
Restructuring liabilities	618	4,393	$ 618	$ 693	$ 11,469
Other Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities	$ 600		$ 600	$ 700
2023 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges		100
Restructuring and related activities completion year	2026		2026
Q3 2024 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 400	700
Q2 2024 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 500
Q2 2024 Plan and Q3 2024 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 28,700

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