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Income Taxes - Classification of Net Deferred Income Tax Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Long-term deferred income tax assets	$ 709.2	$ 701.4
Long-term deferred income tax liabilities	(88.7)	(92.0)
Net deferred income tax asset	$ 620.5	$ 609.4

X

- Definition

Amount of deferred tax liability attributable to taxable temporary differences.

+ References

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X

- Definition

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

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