Other Balance Sheet Items (Other Current Assets) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Prepaid Expense	$ 27.4	$ 24.3
Prepaid registry fees, current	24.6	24.3
Accounts Receivable, Net	4.6	6.2
Foreign Currency Contract, Asset, Fair Value Disclosure	4.5	0.2
Other Assets, Miscellaneous, Current	2.4	3.3
Other Assets, Current	$ 63.5	$ 58.3

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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- Definition

Amount of current assets classified as other.

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Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer.

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Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.

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Prepaid registry fees

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