Acquisitions and Dispositions of Businesses (Assets Acquired and Liabilities Assumed) (Details 1) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 1,612,343	$ 1,484,750
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Accounts receivable	16,080	745
Inventory	777	3,496
Property, plant and equipment	6,019	3,346
Lease right-of-use assets	7,744	6,580
Goodwill	167,334	73,951
Amortized intangible assets	88,000	14,589
Other assets	4,507	975
Deferred income tax asset	40,850	15,958
Other liabilities	(49,823)	(14,917)
Current and noncurrent lease liabilities	(7,742)	(6,593)
Redeemable noncontrolling interest	0	(6,005)
Aggregate purchase price, net of cash acquired	$ 273,746	$ 92,125

Amount of current and noncurrent lease liabilities assumed in business combination

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Amount of lease right of use assets assumed in business combination

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Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree, net of cash received.

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Amount of other assets acquired at the acquisition date.

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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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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Fair value of noncontrolling interests which are redeemable by the parent entity and classified as other equity.

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