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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.

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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