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Share-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Share-Based Compensation | The following table presents share-based compensation expense:
|  | For the Three Months Ended March 31,
|  | 2022 |  | 2023
Share-based compensation expense |  | $ | 14.7 |  |  | $ | 14.7 |
Tax benefit |  | 1.7 |  |  | 1.7 |
Schedule of Company Restricted Stock Units Transactions | The following table summarizes transactions in the Company’s restricted stock units:
|  | Restricted Stock Units |  | Weighted Average Grant Date Value
Unvested units— December 31, 2022 |  | 1.1 |  |  | $ | 106.88 |
Units granted |  | 0.3 |  |  | 160.91 |
Units vested |  | (0.4) |  |  | 87.00 |
Units forfeited |  | (0.0 | ) |  | 125.94 |
Performance condition changes |  | 0.0 |  |  | 73.81 |
Unvested units— March 31, 2023 |  | 1.0 |  |  | 131.44 |
Schedule of Company Stock Option Transactions | The following table summarizes transactions in the Company’s stock options:
|  | Stock Options |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years)
Unexercised options outstanding— December 31, 2022 |  | 3.2 |  |  | $ | 76.81 |  |  |
Options granted |  | — |  |  | — |  |  |
Options exercised |  | (0.0 | ) |  | 122.40 |  |  |
Options forfeited |  | — |  |  | — |  |  |
Options expired |  | — |  |  | — |  |  |
Performance condition changes |  | — |  |  | — |  |  |
Unexercised options outstanding— March 31, 2023 |  | 3.2 |  |  | 76.77 |  |  | 3.5
Exercisable at March 31, 2023 |  | 0.0 |  |  | 116.62 |  |  | 3.1
Schedule of Fair Value of Options Granted and Assumptions | The weighted average grant date assumptions used to estimate the fair value of stock options granted were as follows:
|  | For the Three Months Ended March 31, 2022 |  |
Dividend yield |  | 0.0 | % |  |
Expected volatility |  | 36.8 | % |  |
Risk-free interest rate |  | 1.7 | % |  |
Expected life of options (in years) |  | 5.7 |  |
Forfeiture rate |  | — | % |  |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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