Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Income Tax [Line Items]
Pretax income of non-United States operations			$ 165.2		$ 380.9		$ 433.6
Accumulated unremitted earnings of non-United States subsidiaries that are considered to be indefinitely reinvested			391.5
Accumulated unremitted earnings of non-United States subsidiaries that may be remitted			1,519.8
Deferred tax liability, undistributed foreign earnings			20.4		18.4
Deferred tax asset on net operating losses			187.7		128.9
Valuation allowance, net operating losses			165.4
Gross unrecognized tax benefits			32.8		81.6		71.8
Interest and penalties related to unrecognized tax benefits			0.6		0.8		0.9
Gross recognized tax benefits			6.0
Reduction in accrued interest and penalties related to unrecognized tax benefits	$ (4.2)
Recognition of tax benefit	$ 10.8
Unrecognized Tax Benefits, Period Increase (Decrease), Total		$ (48.8)	$ (14.4)	[1]	$ 4.2	[1]	$ 1.6	[1]
Earliest Tax Year
Income Tax [Line Items]
Income tax examination year under examination			2016
Latest Tax Year
Income Tax [Line Items]
Income tax examination year under examination			2023
United States
Income Tax [Line Items]
U.S. Federal statutory rate (as percent)			21.00%		21.00%		21.00%
United States Federal and Non-United States
Income Tax [Line Items]
Deferred tax liability, undistributed foreign earnings			$ 23.1		$ 18.4
Net operating loss carryforwards			1,010.3
United States State
Income Tax [Line Items]
Net operating loss carryforwards			$ 124.2

[1] Effective settlement of an audit during the third quarter of 2023 resulted in the recognition of a tax benefit of $10.8. For 2022 and 2021, the Work Opportunity Tax Credit and Other, net categories were updated to separately reflect the Change in unrecognized tax benefits.