Number Of Owned And Operated Franchises

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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No definition available.

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs.

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

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Acquisitions (Narrative) (Details) $ in Millions				12 Months Ended
Acquisitions (Narrative) (Details) $ in Millions	Jun. 01, 2020 USD ($)	Aug. 02, 2019 USD ($) item	Jul. 01, 2019 USD ($)	Dec. 31, 2021	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Reacquired Franchise Rights [Member]
Goodwill [Line Items]
Average remaining life				7 years 4 months 24 days
Non-Compete Agreements [Member]
Goodwill [Line Items]
Average remaining life				6 years 6 months
Roto-Rooter, Bloomington [Member]
Goodwill [Line Items]
Acquisition date				Jun. 01, 2020
Acquisition, in cash	$ 2.2
Roto-Rooter, Oakland [Member]
Goodwill [Line Items]
Acquisition date				Jul. 01, 2019
Acquisition, in cash			$ 18.0
HSW And Oakland [Member]
Goodwill [Line Items]
Acquisition expense						$ 3.4
HSW And Oakland [Member] \| Customer Relationships [Member]
Goodwill [Line Items]
Average remaining life				20 years 4 months 24 days
HSW And Oakland [Member] \| Non-Compete Agreements [Member]
Goodwill [Line Items]
Average remaining life				4 years
Roto-Rooter [Member] \| HSW RR, Inc [Member]
Goodwill [Line Items]
Acquisition, in cash		$ 120.0
Additional business combination cost		$ 1.4			$ 1.4
Number of owned and operated franchises \| item		14
Revolving Credit Facility [Member]
Goodwill [Line Items]
Borrowing amount		$ 450.0