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Restructuring Charges (Narrative) (Details) - Workforce Reduction Plan - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2020 | Dec. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |
Percentage of positions eliminated or furloughed | 23.00% |
Severance costs |  | $ 28.0

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- Definition Number Of Positions Eliminated Or Furloughed, Percent + References No definition available. + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Details
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