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Composition of Certain Financial Statement Captions (Accrued Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Accrued employee compensation | $ 100,566 | $ 107,933
Accrued employee benefits and other personnel | 9,852 | 13,951
Accrued voluntary separation program | 53,821 | 0
Accrued consulting, outsourcing and professional fees | 37,009 | 36,411
Accrued sub-advisory, distribution and other asset management fees | 52,916 | 58,661
Accrued dividend payable | 58,051 | 55,452
Other accrued liabilities | 47,148 | 51,974
Accrued liabilities | $ 359,363 | $ 324,382

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- Definition Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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