Restructuring Costs - Schedule of Changes in Restructuring Reserve (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
		Sep. 30, 2024	Sep. 30, 2024
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period			$ 90.0
Severance costs			34.1
Lease costs	[1]		3.0
Other Costs			0.5
Non-cash charges			(3.0)
Costs paid		$ (19.7)	(70.7)
Balance, end of period		53.9	53.9
Reportable segments | Americas
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	[2]		4.8
Severance costs	[2]		4.4
Lease costs	[1],[2]		0.4
Other Costs	[2]		0.0
Non-cash charges	[2]		(0.4)
Costs paid	[2]		(4.2)
Balance, end of period	[2]	5.0	5.0
Reportable segments | Southern Europe
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	[3]		5.9
Severance costs	[3]		3.3
Lease costs	[1],[3]		0.1
Other Costs	[3]		0.4
Non-cash charges	[3]		(0.1)
Costs paid	[3]		(4.6)
Balance, end of period	[3]	5.0	5.0
Reportable segments | Northern Europe
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period			78.9
Severance costs			24.1
Lease costs	[1]		2.5
Other Costs			0.1
Non-cash charges			(2.5)
Costs paid			(61.6)
Balance, end of period		41.5	41.5
Reportable segments | APME
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period			0.4
Severance costs			2.3
Lease costs	[1]		0.0
Other Costs			0.0
Non-cash charges			0.0
Costs paid			(0.3)
Balance, end of period		2.4	2.4
Corporate
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period			0.0
Severance costs			0.0
Lease costs	[1]		0.0
Other Costs			0.0
Non-cash charges			0.0
Costs paid			0.0
Balance, end of period		$ 0.0	$ 0.0

[1] Liabilities related to exited leased facilities are recorded within our short-term and long-term operating lease liabilities within our Consolidated Balance Sheets.

[2] Balances related to the United States were $3.7 and $3.2 as of December 31, 2023 and September 30, 2024, respectively

[3] Balances related to France were $2.5 and $3.0 as of December 31, 2023 and September 30, 2024, respectively. Balances related to Italy were $1.0 and $0.5 as of December 31, 2023 and September 30, 2024, respectively.