Restructuring Expense (Restructuring and Related Costs) (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]
Restructuring expense	$ 163	$ 310
Medical and Veterinary
Restructuring Cost and Reserve [Line Items]
Restructuring expense		44
Home Office
Restructuring Cost and Reserve [Line Items]
Restructuring expense	163	266
Real Estate and Other
Restructuring Cost and Reserve [Line Items]
Restructuring expense	100	189
Real Estate and Other | Medical and Veterinary
Restructuring Cost and Reserve [Line Items]
Restructuring expense		44
Real Estate and Other | Home Office
Restructuring Cost and Reserve [Line Items]
Restructuring expense	100	145
Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense	63	121	$ 5,592
Termination Benefits | Medical and Veterinary
Restructuring Cost and Reserve [Line Items]
Restructuring expense		0
Termination Benefits | Home Office
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 63	$ 121