Restructuring, Asset Impairments and Other Charges, net - Summary of Restructuring, Asset Impairments and Other, Net (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) building	Dec. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 58.5	$ 11.2	$ 67.5
Asset Impairments	19.5	22.6	3.3
Other	(3.1)	(15.9)	0.6
Total	74.9	17.9	71.4
Other
Restructuring Cost and Reserve [Line Items]
Restructuring	(0.6)	(1.4)	2.2
Asset Impairments	10.2	4.0	3.3
Other	(5.9)	(34.8)	0.6
Total	3.7	$ (32.2)	6.1
Business Realignment
Restructuring Cost and Reserve [Line Items]
Restructuring	59.1
Asset Impairments	9.3
Other	2.8
Total	$ 71.2
Other | Office Building
Restructuring Cost and Reserve [Line Items]
Number of buildings sold | building		2
QCS wind down
Restructuring Cost and Reserve [Line Items]
Restructuring		$ 12.6
Asset Impairments		18.6
Other		18.9
Total		50.1
QCS wind down | Contract Cancellation Charges
Restructuring Cost and Reserve [Line Items]
Other		15.4
QCS wind down | Legal Charges
Restructuring Cost and Reserve [Line Items]
Other		$ 3.5
2021 Involuntary separation program
Restructuring Cost and Reserve [Line Items]
Restructuring			65.3
Asset Impairments			0.0
Other			0.0
Total			$ 65.3