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Other Income, Net (Tables)
9 Months Ended
Sep. 30, 2024
Other Income and Expenses [Abstract]  
Schedule of other income (expense), net
Other income, net includes the following components (in millions):
Three Months EndedNine Months Ended
September 30,September 30,
 2024202320242023
Interest and investment income$(15.5)$(17.3)$(66.1)$(84.1)
Net realized (gains) losses on investments
(2.0)0.1 (1.7)1.6 
Escrow receipts on prior acquisition— (2.5)— (2.5)
Other income(0.6)(0.7)(2.9)(2.4)
Other income, net$(18.1)$(20.4)$(70.7)$(87.4)