Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 904.7	$ 1,152.4
Investments	240.7	334.2
Fees and other receivables	268.4	294.0
OEIC and unit trust receivables	183.4	94.6
Other current assets	120.2	174.5
Total current assets	2,229.7	2,455.6
Non-current assets:
Property, equipment and software, net	41.7	44.2
Intangible assets, net	2,426.7	2,431.3
Goodwill	1,282.2	1,290.3
Retirement benefit asset, net	87.4	87.6
Other non-current assets	202.4	187.6
Total assets	6,270.1	6,496.6
Current liabilities:
Accounts payable and accrued liabilities	206.5	231.4
Current portion of accrued compensation, benefits and staff costs	165.3	297.9
OEIC and unit trust payables	191.9	98.5
Total current liabilities	568.4	631.0
Non-current liabilities:
Accrued compensation, benefits and staff costs	15.2	45.0
Long-term debt	303.9	304.6
Deferred tax liabilities, net	569.2	570.8
Retirement benefit obligations, net	2.3	2.3
Other non-current liabilities	109.0	87.4
Total liabilities	1,568.0	1,641.1
Commitments and contingencies (See Note 14)
REDEEMABLE NONCONTROLLING INTERESTS	274.7	317.2
EQUITY
Common stock, $1.50 par value; 480,000,000 shares authorized, and 160,674,907 and 163,338,035 shares issued and outstanding as of March 31, 2024, and December 31, 2023, respectively	241.0	245.0
Additional paid-in capital	3,670.0	3,722.3
Treasury shares, 42,586 and 41,444 shares held at March 31, 2024, and December 31, 2023, respectively	(1.1)	(1.1)
Accumulated other comprehensive loss, net of tax	(607.7)	(563.6)
Retained earnings	1,125.0	1,135.5
Total shareholders’ equity	4,427.2	4,538.1
Nonredeemable noncontrolling interests	0.2	0.2
Total equity	4,427.4	4,538.3
Total liabilities, redeemable noncontrolling interests and equity	6,270.1	6,496.6
Variable Interest Entity, Primary Beneficiary [Member]
Current assets:
Cash and cash equivalents	17.6	15.7
Investments	487.7	382.4
Other current assets	7.0	7.8
Current liabilities:
Accounts payable and accrued liabilities	$ 4.7	$ 3.2