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Schedule Of Other Information Related To Acquired Intangibles and Goodwill (Details) - Series of individually immaterial business acquisitions - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |
Goodwill deductible for tax purposes associated with acquisitions | $ 169,014 | $ 94,318 | $ 88,517
Customer Relationships |  |  |
Business Acquisition [Line Items] |  |  |
Amortizable intangible assets acquired, weighted-average estimated useful lives | 10 years | 18 years |
Noncompetition agreements |  |  |
Business Acquisition [Line Items] |  |  |
Amortizable intangible assets acquired, weighted-average estimated useful lives | 6 years | 5 years | 6 years

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition 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. + References No definition available. + Details
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- Definition The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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