The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- References

No definition available.

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- Definition

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.

+ References

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Goodwill and Other Intangibles - Narratives (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets, Net
Impairment charge	$ 0	$ 29,334	$ 0
Foreign currency translation adjustments	19,758	(63,149)	(35,736)
Amortization of intangible assets	247,500	229,200	$ 236,600
Investment Management
Finite-Lived Intangible Assets, Net
Impairment charge		$ 29,334
Net intangible assets
Finite-Lived Intangible Assets, Net
Foreign currency translation adjustments	$ 18,800
Minimum
Finite-Lived Intangible Assets, Net
Finite lived intangible assets useful life (in years)	1 year
Maximum
Finite-Lived Intangible Assets, Net
Finite lived intangible assets useful life (in years)	48 years