Summary of Significant Accounting Policies - Schedule of Changes in Restructuring Reserve (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Lease costs		$ 160.8	$ 151.8	$ 155.4
Costs paid		(72.9)	(93.7)
Balance at end of year		35.1
Reportable segments
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period		46.5	90.0
Severance costs		61.5	47.5
Lease costs	[1]	2.7	3.4
Other costs			2.7
Non-cash charges		(2.7)	(3.4)
Costs paid		(72.9)	(93.7)
Balance at end of year		35.1	46.5	90.0
Reportable segments | Americas
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	[2]	5.7	4.8
Severance costs	[2]	5.1	8.6
Lease costs	[1],[2]	1.1	0.5
Other costs	[2]		0.1
Non-cash charges	[2]	(1.1)	(0.5)
Costs paid	[2]	(8.1)	(7.8)
Balance at end of year	[2]	2.7	5.7	4.8
Reportable segments | Southern Europe
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	[3]	4.4	5.9
Severance costs	[3]	15.4	5.4
Lease costs	[1],[3]	0.0	0.1
Other costs	[3]		0.8
Non-cash charges	[3]	0.0	(0.1)
Costs paid	[3]	(11.8)	(7.7)
Balance at end of year	[3]	8.0	4.4	5.9
Reportable segments | Northern Europe
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period		32.1	78.9
Severance costs		42.1	28.8
Lease costs	[1]	1.6	2.8
Other costs			1.8
Non-cash charges		(1.6)	(2.8)
Costs paid		(50.0)	(77.4)
Balance at end of year		24.2	32.1	78.9
Reportable segments | APME
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period		2.4	0.4
Severance costs		0.1	2.8
Lease costs	[1]	0.0	0.0
Other costs			0.0
Non-cash charges		0.0	0.0
Costs paid		(2.3)	(0.8)
Balance at end of year		0.2	2.4	0.4
Corporate
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period		1.9	0.0
Severance costs		(1.2)	1.9
Lease costs	[1]	0.0	0.0
Other costs			0.0
Non-cash charges		0.0	0.0
Costs paid		(0.7)	0.0
Balance at end of year		$ 0.0	$ 1.9	$ 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] Balance related to United States was $3.7 as of December 31, 2023. In 2024, United States incurred $6.0 for severance costs, $0.1 for other costs and paid $5.8, leaving a $4.0 liability as of December 31, 2024. In 2025, United States incurred $2.6 for severance costs and paid $6.0, leaving a $0.6 liability as of December 31, 2025.

[3] France had a $2.5 liability as of December 31, 2023. In 2024, France incurred $1.3 for severance costs, $0.5 for other costs and paid $3.1, leaving a $1.2 liability as of December 31, 2024. In 2025, France incurred $5.0 for severance costs and paid $3.1, leaving a $3.1 liability as of December 31, 2025. As of December 31, 2023, Italy had a $1.0 liability. In 2024, Italy incurred $1.9 for severance costs, $0.1 for other costs and paid $1.0, leaving a $2.0 liability as of December 31, 2024. In 2025, Italy incurred $0.4 for severance costs and paid $1.8, leaving a $0.6 liability as of December 31, 2025.