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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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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

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 CCYY-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 number of businesses acquired by the entity during the period.

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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 Thousands			12 Months Ended
Acquisitions (Narrative) (Details) $ in Thousands	Aug. 02, 2019 USD ($) item	Jul. 01, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($)
Goodwill [Line Items]
Amortization of reacquired franchise agreements			$ 4,300	$ 399	$ 137
Reacquired Franchise Rights [Member]
Goodwill [Line Items]
Average amortization period			7 years 4 months 24 days
Amortization of reacquired franchise agreements			$ 4,000
Non-Compete Agreements [Member]
Goodwill [Line Items]
Average amortization period			6 years 4 months 24 days
HSW RR, Inc [Member] \| Reacquired Franchise Rights [Member]
Goodwill [Line Items]
Amortization of reacquired franchise agreements				7,258
Roto-Rooter, Oakland [Member]
Goodwill [Line Items]
Acquisition date			Jul. 01, 2019
Business combination cost		$ 18,000
Roto-Rooter, Oakland [Member] \| Reacquired Franchise Rights [Member]
Goodwill [Line Items]
Amortization of reacquired franchise agreements				825
HSW And Oakland [Member]
Goodwill [Line Items]
Acquisition expense			$ 3,400
HSW And Oakland [Member] \| Reacquired Franchise Rights [Member]
Goodwill [Line Items]
Amortization of reacquired franchise agreements				$ 8,083
HSW And Oakland [Member] \| Customer Relationships [Member]
Goodwill [Line Items]
Average amortization period			20 years 4 months 24 days
HSW And Oakland [Member] \| Non-Compete Agreements [Member]
Goodwill [Line Items]
Average amortization period			4 years
Roto-Rooter [Member]
Goodwill [Line Items]
Number of completed business combinations \| item				4
Business combination cost				$ 42,200
Roto-Rooter [Member] \| HSW RR, Inc [Member]
Goodwill [Line Items]
Business combination cost	$ 120,000
Additional business combination cost	$ 1,400		$ 1,400
Number of owned and operated franchises \| item	14
VITAS [Member]
Goodwill [Line Items]
Number of completed business combinations \| item				1
Business combination cost				$ 11,000
Revolving Credit Facility [Member]
Goodwill [Line Items]
Borrowing amount	$ 450,000