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Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Statutory federal income tax rate, amount | $ 312.4 | $ 272.5 | $ 210.5
State taxes, net of federal effect, amount | 61.1 | 50.3 | 36.0
Equity based compensation, amount | (12.0) | (30.1) | (28.8)
Foreign withholding tax, amount | 3.0 | 1.7 | 1.0
Effect of US Tax Cuts and Jobs Act on Deferred Taxes, amount | 0.0 | 4.8 | (6.8)
Other, amount | 8.8 | 10.0 | 1.9
Income tax expense | $ 373.3 | $ 309.2 | $ 213.8
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Statutory federal income tax rate, percent | 21.00% | 21.00% | 21.00%
State taxes, net of federal effect, percent | 4.10% | 3.90% | 3.60%
Equity based compensation, percent | (0.80%) | (2.30%) | (2.90%)
Foreign withholding tax, percent | 0.20% | 0.10% | 0.10%
Effect of tax law changes | 0.00% | 0.40% | (0.70%)
Other, percent | 0.60% | 0.70% | 0.20%
Income tax expense, rate | 25.10% | 23.80% | 21.30%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 740 -Section 35 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126970579&loc=d3e23163-113944 + Details
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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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