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Goodwill and Identifiable Assets Acquired Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Intangible assets subject to amortization: |  |
Gross Carrying Amount | $ 674.6 | $ 603.6
Accumulated Amortization | 377.8 | 358.3
Net Carrying Amount | 296.8 | 245.3
Intangible assets not subject to amortization: |  |
Trademarks, Carrying Amount | 272.8 | 242.6
Gross Carrying Amount | 947.4 | 846.2
Net Carrying Amount | 569.6 | 487.9
Contractual customer relationships |  |
Intangible assets subject to amortization: |  |
Gross Carrying Amount | 589.3 | 493.9
Accumulated Amortization | 315.7 | 260.2
Net Carrying Amount | $ 273.6 | 233.7
Contractual customer relationships | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Estimated Useful Life (in years) | 7 years |
Contractual customer relationships | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Estimated Useful Life (in years) | 13 years |
Contractor relations |  |
Intangible Assets [Line Items] |  |
Estimated Useful Life (in years) | 4 years |
Intangible assets subject to amortization: |  |
Gross Carrying Amount | $ 0.0 | 45.5
Accumulated Amortization | 0.0 | 45.5
Net Carrying Amount | 0.0 | 0.0
Backlog |  |
Intangible assets subject to amortization: |  |
Gross Carrying Amount | 44.1 | 34.8
Accumulated Amortization | 36.5 | 31.0
Net Carrying Amount | $ 7.6 | 3.8
Backlog | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Estimated Useful Life (in years) | 1 year |
Backlog | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Estimated Useful Life (in years) | 3 years |
Non-compete agreements |  |
Intangible assets subject to amortization: |  |
Gross Carrying Amount | $ 41.2 | 29.4
Accumulated Amortization | 25.6 | 21.6
Net Carrying Amount | $ 15.6 | $ 7.8
Non-compete agreements | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Estimated Useful Life (in years) | 1 year |
Non-compete agreements | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Estimated Useful Life (in years) | 7 years |

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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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