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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Employee Equity-Based Compensation Expense |
| For The Years Ended December 31, |  |
| 2023 | 2022 | 2021 |  |
Total stock-based compensation expense | $ | 9.9 |  | $ | 12.7 |  | $ | 9.1 |  |  |
Income tax benefit related to stock-based compensation | 1.3 |  | 3.3 |  | 2.3 |  |  |
Impact on cash flow due to taxes paid related to net share settlement of equity awards | 4.7 |  | 2.5 |  | 1.7 |  |  |
Intrinsic value of options exercised, equity-based liabilities paid, and the fair value of restricted stock units vested | 14.7 |  | 9.5 |  | 3.7 |  |  |
Summary of Status of Outstanding RSU Awards | A summary of the status of outstanding restricted stock units as of December 31, 2023, and changes during the year, is presented below:
| Time Vested | Performance-based
| Shares | Weighted Average Grant Date Fair Value | Shares | Weighted Average Grant Date Fair Value
Restricted stock units outstanding at December 31, 2022 | 429,465 |  | $ | 29.16 |  | 277,110 |  | $ | 29.64 |
Granted | 216,379 |  | 37.66 |  | 196,453 |  | 40.47 |
Vested | (177,804) |  | 29.28 |  | (211,944) |  | 22.24 |
Forfeited | (65,633) |  | 33.74 |  | (36,515) |  | 35.43 |
Restricted stock units outstanding at December 31, 2023 | 402,407 |  | $ | 32.97 |  | 225,104 |  | $ | 36.54 |
Summary of Status of Outstanding Stock Option Awards and Changes During the Year | A summary of the status of outstanding stock option awards as of December 31, 2023, and changes during the year, is presented below:
| Shares | Weighted Average Exercise Price | Weighted Average Remaining Contractual Life (Years) | Aggregate Intrinsic Value
Outstanding options at December 31, 2022 | 294,124 |  | $ | 50.53 |  | 3.3 | $ | — |
Exercised | — |  | — |  |  |
Expired | (8,442) |  | 50.73 |  |  |
Outstanding and exercisable options at December 31, 2023 | 285,682 |  | $ | 50.53 |  | 2.3 | $ | — |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for exercisable or convertible options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (e)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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