Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of revenue and income classified as other.

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- Definition

The amount of cash received during the period as refunds for the overpayment of taxes.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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Tax Credit Carryforward, Relief Expiration Period

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United Kingdom (U.K.) Research and Development (R&D) Tax Relief Scheme (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended
	May 31, 2020	Mar. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
U.K. tax legislation \| U.K. tax legislation
Operating Loss Carryforwards [Line Items]
Window to seek relief under U.K. tax legislature			2 years
Tax year 2017
Operating Loss Carryforwards [Line Items]
Claim for refundable cash credit				$ 9.9
Proceeds from claims	$ 9.9
Tax year 2018
Operating Loss Carryforwards [Line Items]
Claim for refundable cash credit				$ 9.8
Proceeds from claims	$ 9.8
2017 and 2018 tax year claims
Operating Loss Carryforwards [Line Items]
Other income		$ 19.7