Restructuring Costs - Schedule of Changes in Restructuring Reserve (Parenthetical) (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		$ 16.5	$ 23.3
Americas
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	[1]	0.8	1.0
Americas | United States
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		0.2	0.2
Southern Europe
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	[2]	0.4	0.8
Southern Europe | France
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		0.2	0.6
Southern Europe | Italy
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		$ 0.2	$ 0.3

[1] Balances related to the United States were $0.2 and $0.2 as of December 31, 2021 and June 30, 2022, respectively.

[2] Balances related to France were $0.6 and $0.2 as of December 31, 2021 and June 30, 2022, respectively. Balances related to Italy were $0.3 and $0.2 as of December 31, 2021 and June 30, 2022, respectively.