Income Taxes (Schedule of Deferred Tax Assets and Liabilities Included in Consolidated Balance Sheets) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Net	$ 10.7	$ 0.0
Deferred Tax Liabilities, Net, Noncurrent	95.0	22.2
Deferred tax liability, net	$ (84.3)	$ (22.2)

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

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.

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