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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Line Items] |  |  |
Income tax payments | $ 280,700,000 | $ 251,500,000 | $ 204,900,000
Income taxes payable | 29,400,000 | 2,200,000 |
Income taxes receivable | 300,000 | 9,900,000 |
Unrecognized tax benefits | 0 |  |
Deferred tax liability, net | 1,170,399,000 | 859,559,000 |
Tax credit carryforwards | 25,396,000 | 18,264,000 |
Gross deferred tax assets | 801,495,000 | 644,933,000 |
Valuation allowance | (13,916,000) | (16,943,000) |
Estimated gross deferred tax assets including net operating losses realized through generating taxable income or reversal of existing temporary differences attributable to gross deferred tax liabilities | $ 787,600,000 |  |
Income Tax Examination, Year under Examination | 2017 |  |
Earliest Tax Year [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Tax credit, expiration date | Dec. 31, 2033 |  |
U.S. State Operations |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net operating loss carryforwards | $ 32,900,000 |  |
Certain Foreign Operations [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net operating loss carryforwards | 9,700,000 |  |
Other Liabilities [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred tax liability, net | 1,200,000,000 | 896,700,000 |
Other Assets [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net deferred tax assets | $ 23,500,000 | $ 37,200,000 |

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- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)(b)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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