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Equity-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Equity-based compensation [Abstract] |  |  |
Equity-based compensation expense | $ 93.7 | $ 91.1 | $ 72.6
Income tax benefit | (17.3) | (15.5) | (12.2)
Equity-based compensation expense, net of tax | 76.4 | $ 75.6 | 60.4
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized [Abstract] |  |  |
Compensation cost not yet recognized | $ 92.0 |  |
Compensation cost not yet recognized, period for recognition | 1 year 9 months 18 days |  |
Number of Options (in shares): |  |  |
Options outstanding, beginning (in shares) | 3,499,301 |  |
Granted (in shares) | 460,767 |  |
Forfeitures/Expired (in shares) | (54,584) |  |
Exercised (in shares) | (714,538) |  |
Options outstanding, ending (in shares) | 3,190,946 | 3,499,301 |
Options Weighted Average Exercise Price (in dollars per share): |  |  |
Options outstanding, beginning weighted-average exercise price (in dollars per share) | $ 104.23 |  |
Grants, weighted average exercise price (in dollars per share) | 212.08 |  |
Forfeitures and Expirations, weighted average exercise price (in dollars per share) | 179.15 |  |
Exercises, weighted average exercise price (in dollars per share) | 69.06 |  |
Options outstanding, ending weighted-average exercise price (in dollars per share) | $ 126.40 | $ 104.23 |
Options, Additional Disclosures: |  |  |
Options, Vested and exercisable (in shares) | 2,185,919 |  |
Options, Expected to vest (in shares) | 993,307 |  |
Options, exercisable, weighted average exercise price (in dollars per share) | $ 99.35 |  |
Options, vested and expected to vest, weighted average exercise price (in dollars per share) | $ 185.15 |  |
Options, outstanding, weighted average remaining contractual term | 5 years 11 months 15 days |  |
Options, exercisable, weighted average remaining contractual term (years) | 4 years 11 months 19 days |  |
Options, vested and expected to vest, outstanding, weighted average remaining contractual term (in years) | 8 years 1 month 9 days |  |
Options, outstanding intrinsic value | $ 322.0 |  |
Options, exercisable, Intrinsic Value | 279.7 |  |
Options, vested and expected to vest, aggregate intrinsic value | 41.9 |  |
Total intrinsic value of stock options exercised | $ 97.0 | $ 40.0 | $ 117.0
Employee Stock Option |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized [Abstract] |  |  |
Award expiration period | 10 years |  |
Award vesting period | 3 years |  |
Fair Value Assumptions: |  |  |
Weighted average grant date fair value (in dollars per share) | $ 64.77 | $ 43.20 | $ 40.83
Expected volatility (as percent) | 29.94% | 27.50% | 30.00%
Risk-free rate (as percent) | 3.80% | 1.94% | 0.93%
Expected dividend yield (as percent) | 1.24% | 1.17% | 1.03%
Expected term (in years) | 5 years 6 months | 6 years | 5 years 7 months 6 days
Restricted Stock Units (RSUs) |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized [Abstract] |  |  |
Award vesting period | 3 years |  |
Performance Share Units (PSUs) |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized [Abstract] |  |  |
Award vesting period | 3 years |  |
Minimum | Performance Share Units (PSUs) |  |  |
Options, Additional Disclosures: |  |  |
Potential vesting percentage range of shares | 0.00% |  |
Maximum | Performance Share Units (PSUs) |  |  |
Options, Additional Disclosures: |  |  |
Potential vesting percentage range of shares | 200.00% |  |
2021 Long Term Incentive Plan |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized [Abstract] |  |  |
Number of shares authorized (in shares) | 22,100,000 |  |
Number of share available for grant (in shares) | 6,700,000 |  |
2013 Long Term Incentive Plan | Performance Share Units (PSUs) |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized [Abstract] |  |  |
Award vesting period | 3 years |  |

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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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