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Revenues - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Contract with Customer, Liability | $ 78.2 | $ 79.9 |
Contract with Customer, Liability, Noncurrent | 35.0 | 33.4 |
Contract with Customer, Asset, Net | 472.6 | 431.2 |
Contract with Customer, Liability | 113.2 | 113.3 |
Deferred Costs | $ 96.5 | 76.0 |
Cost to Obtain |  |  |
Segment Reporting Information [Line Items] |  |  |
Capitalized contract cost, amortization period | 15 years |  |
Deferred Costs | $ 27.3 | 23.0 |
Capitalized Contract Cost, Amortization | 6.8 | 5.2 |
Cost to Fulfill |  |  |
Segment Reporting Information [Line Items] |  |  |
Deferred Costs | 122.6 | 108.7 |
Capitalized Contract Cost, Amortization | 7.3 | 6.7 |
Incentive and Profit-sharing Contingent Commissions |  |  |
Segment Reporting Information [Line Items] |  |  |
Deferred Revenue, Revenue Recognized | 28.2 | 25.8 | $ 23.3
2022 Acquisition |  |  |
Segment Reporting Information [Line Items] |  |  |
Contract with Customer, Asset, Net |  | 12.0 |
Contract with Customer, Liability |  | 4.4 |
2022 Acquisition | Cost to Fulfill |  |  |
Segment Reporting Information [Line Items] |  |  |
Capitalized Contract Cost, Amortization |  | $ 14.1 |
2023 Acquisition |  |  |
Segment Reporting Information [Line Items] |  |  |
Contract with Customer, Asset, Net | 13.6 |  |
Contract with Customer, Liability | 6.8 |  |
2023 Acquisition | Cost to Fulfill |  |  |
Segment Reporting Information [Line Items] |  |  |
Capitalized Contract Cost, Amortization | $ 6.3 |  |

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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 + Details
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