Special Charges, Including Business Realignment Costs (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Special Charges, Including Business Realignment Costs	$ 8,554	$ 46,645	$ 10,141
Headcount Reductions (as a percent)		8.00%
Impairment of Goodwill	$ 0	$ 0	2,921
Special Charges [Member]
Business Acquisition [Line Items]
Restructuring Charges		41,669	2,850
Accelerated Depreciation For Leasehold Improvements		3,320	4,370
Asset Impairment Charges		$ 1,656
Impairment of Goodwill			$ 2,921

Accelerated Depreciation For Leasehold Improvements

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- Definition

Special Charges incurred related to the impairment of intangible assets, Special Charges incurred in connection with exiting facilities and Special Charges related to acquisitions, including the exiting of facilities for office space, introducing fees as well as other professional fees

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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 loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Percentage of the total number of positions eliminated as of the balance sheet date since inception of the restructuring plan(s).

+ References

No definition available.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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