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Acquisitions (Narrative) (Details) - Roto-Rooter, Bloomington [Member] - USD ($) $ in Millions		9 Months Ended
	Jun. 01, 2020	Sep. 30, 2021
Goodwill [Line Items]
Acquisition date		Jun. 01, 2020
Acquisition, in cash	$ 2.2

X

- Definition

Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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