Fair Value Measurements - Adjustments to Fair Value of Non-Financial Assets (Details) - Fair Value, Measurements, Nonrecurring - Fair Value Inputs (Level 3) - Changes Measurement - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairments (Level 3)	$ 0.0	$ 330.0	$ 0.0
Intangibles impairment (Level 3)	0.0	56.8	0.0
Asset impairments (Level 3)	10.5	14.8	7.9
IPRD impairments (Level 3)	0.0	0.0	2.9
Total	$ 10.5	$ 401.6	$ 10.8