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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Federal statutory rate	21.00%	21.00%	21.00%
Liability for Uncertain Tax Positions, Noncurrent	$ 14.8
fair value of intellectual property		$ 1,200.0
Deferred Tax Asset Intellectual property	147.0	165.5
Deferred Tax Asset Research and Development Costs	12.0	$ 0.0
State [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 55.9
Foreign [Member]
Income Taxes [Line Items]
Tax credit carryforward expiration	2028
Federal And State [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards, Date	2023 through 2034

X

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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