OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Dec. 31, 2025

Stockholders' Equity Note [Abstract]

Schedule of Impact of the Components of Other Comprehensive Income on Deferred Tax Benefits (income Taxes)

The following table presents the impact of the components of other comprehensive income or loss on deferred tax benefits (income taxes).

(in millions)	2025		2024		2023
Net deferred tax benefits (income taxes) on:
Currency translation adjustments	$	(2.8)	$	3.7	$	(2.0)
Reclassification adjustment recognized in the provision for income taxes upon deconsolidation of investment products	1.4		—		0.1
Total net deferred tax benefits (income taxes)	$	(1.4)	$	3.7	$	(1.9)

Schedule of Changes in Accumulated Other Comprehensive Income

The changes in each component of accumulated other comprehensive income (loss), including reclassification adjustments, are presented in the table below.

(in millions)	Equity method investments		Consolidated investment products - variable interest entities		Total currency translation adjustments
Balances at December 31, 2022	$	(50.5)	$	(2.5)	$	(53.0)
Other comprehensive income (loss) before income taxes	(1.6)		9.0		7.4
Net deferred tax benefits (income taxes)	0.2		(2.1)		(1.9)
Other comprehensive income (loss)	(1.4)		6.9		5.5
Balances at December 31, 2023	(51.9)		4.4		(47.5)
Other comprehensive income (loss) before reclassifications	0.7		(9.0)		(8.3)
Reclassification adjustments recognized in non-operating income	—		0.4		0.4
Other comprehensive income (loss) before income taxes	0.7		(8.6)		(7.9)
Net deferred tax benefits (income taxes)	1.7		2.0		3.7
Other comprehensive income (loss)	2.4		(6.6)		(4.2)
Balances at December 31, 2024	(49.5)		(2.2)		(51.7)
Other comprehensive income (loss) before reclassifications	(9.3)		15.0		5.7
Reclassification adjustments recognized in non-operating income	—		(3.1)		(3.1)
Other comprehensive income (loss) before income taxes	(9.3)		11.9		2.6
Net deferred tax benefits (income taxes)	1.4		(2.8)		(1.4)
Other comprehensive income (loss)	(7.9)		9.1		1.2
Balances at December 31, 2025	$	(57.4)	$	6.9	$	(50.5)