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Acquisitions (Narrative) (Details)		3 Months Ended
Acquisitions (Narrative) (Details)	Jan. 03, 2025 USD ($) item	Sep. 30, 2026 USD ($) item	Jun. 30, 2026 USD ($) item	Mar. 31, 2026 USD ($) item	Apr. 10, 2026 USD ($)
RotoCo, LLC [Member]
Asset Acquisition [Line Items]
Total purchase price		$ 60,600,000
Roto-Rooter [Member]
Asset Acquisition [Line Items]
Reacquired franchise rights		$ 3,279,000
Roto-Rooter [Member] \| Franchise, Michigan [Member]
Asset Acquisition [Line Items]
Number of completed business combinations \| item	1
Acquisition, in cash	$ 225,000
Roto-Rooter [Member] \| Franchise, Texas & California [Member]
Asset Acquisition [Line Items]
Number of completed business combinations \| item				2
Acquisition, in cash				$ 20,600,000
Roto-Rooter [Member] \| Franchise, Texas & New York [Member]
Asset Acquisition [Line Items]
Number of completed business combinations \| item			2
Acquisition, in cash			$ 12,900,000
Roto-Rooter [Member] \| Franchise, Texas [Member]
Asset Acquisition [Line Items]
Number of completed business combinations \| item			1	1
Roto-Rooter [Member] \| Franchise, New York [Member]
Asset Acquisition [Line Items]
Number of completed business combinations \| item			1
Roto-Rooter [Member] \| Franchise, California [Member]
Asset Acquisition [Line Items]
Number of completed business combinations \| item		1		1
Acquisition, in cash		$ 1,900,000
Revolving Credit Facility [Member] \| Credit Agreement [Member]
Asset Acquisition [Line Items]
Borrowing capacity					$ 450,000,000.0