Income Taxes (Deferred Income Tax Asset and Liability) (Details) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Deferred tax liabilities relating to: | ||
| Differences between book and tax basis of property and equipment | $ (1,229.4) | $ (1,252.7) |
| Difference between book and tax basis of intangible assets | (582.8) | (521.7) |
| Operating right-of-use lease assets | (59.3) | (74.3) |
| Basis difference due to redemption of partnership interests | (81.8) | (82.0) |
| Total liabilities | (1,953.3) | (1,930.7) |
| Deferred tax assets relating to: | ||
| Environmental reserves | 235.9 | 253.0 |
| Accruals not currently deductible | 104.6 | 94.6 |
| Net operating loss carryforwards | 75.1 | 88.5 |
| Difference between book and tax basis of other assets | 14.1 | 14.4 |
| Operating right-of-use lease liabilities | 59.9 | 80.5 |
| Other | 17.5 | 15.2 |
| Total assets | 507.1 | 546.2 |
| Valuation allowance | (48.6) | (43.1) |
| Net deferred tax asset | 458.5 | 503.1 |
| Net deferred tax liabilities | $ (1,494.8) | $ (1,427.6) |
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from operating lease liabilities. No definition available.
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- Definition Deferred tax assets other assets. No definition available.
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- References No definition available.
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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