Other Balance Sheet Items (Other Current Assets) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Prepaid registry fees, current	$ 24.7	$ 24.2
Prepaid expenses	30.2	24.8
Accounts Receivable, Net	5.2	5.3
Income Taxes Receivable, Current	7.7	7.7
Other Assets, Miscellaneous, Current	0.5	0.9
Other Assets, Current	$ 68.3	$ 62.9

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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Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

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Amount of current assets classified as other.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Prepaid registry fees

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