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Pension Plans and Other Benefits - Plan Asset FV Measurements - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | $ 345.6 | $ 807.0
Fair Value Inputs Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 20.5 | 5.2
Fair Value Inputs Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 302.8 | 791.3
Fair Value Inputs Level 3 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | $ 22.3 | $ 10.5
Debt Security, Corporate, US |  |  |
Defined Benefit Plan Disclosure |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage |  | 32.00% | 44.00%
US and Canada Government Debt Securities |  |  |
Defined Benefit Plan Disclosure |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage |  | 66.00% | 49.00%
Cash And Cash Equivalents |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  |  | $ 5.2
Cash And Cash Equivalents | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | $ 3.9 |
Cash And Cash Equivalents | United States |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 16.6 |
Cash And Cash Equivalents | Fair Value Inputs Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  |  | 5.2
Cash And Cash Equivalents | Fair Value Inputs Level 1 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 3.9 |
Cash And Cash Equivalents | Fair Value Inputs Level 1 | United States |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 16.6 |
Cash And Cash Equivalents | Fair Value Inputs Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 0.0 | 0.0
Cash And Cash Equivalents | Fair Value Inputs Level 2 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 0.0 |
Cash And Cash Equivalents | Fair Value Inputs Level 3 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 0.0 | 0.0
Cash And Cash Equivalents | Fair Value Inputs Level 3 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 0.0 |
Equity Securities |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [1] |  | 71.3
Equity Securities | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [1] | 33.8 |
Equity Securities | Fair Value Inputs Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [1] |  | 0.0
Equity Securities | Fair Value Inputs Level 1 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [1] | 0.0 |
Equity Securities | Fair Value Inputs Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [1] |  | 71.3
Equity Securities | Fair Value Inputs Level 2 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [1] | 33.8 |
Equity Securities | Fair Value Inputs Level 3 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [1] |  | 0.0
Equity Securities | Fair Value Inputs Level 3 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [1] | 0.0 |
Fixed Income Securities |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [2] |  | 720.0
Fixed Income Securities | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [2] | 269.0 |
Fixed Income Securities | Fair Value Inputs Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [2] |  | 0.0
Fixed Income Securities | Fair Value Inputs Level 1 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [2] | 0.0 |
Fixed Income Securities | Fair Value Inputs Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [2] |  | 720.0
Fixed Income Securities | Fair Value Inputs Level 2 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [2] | 269.0 |
Fixed Income Securities | Fair Value Inputs Level 3 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [2] |  | 0.0
Fixed Income Securities | Fair Value Inputs Level 3 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset | [2] | 0.0 |
Private Equity Funds |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  |  | 10.5
Private Equity Funds | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 22.3 |
Private Equity Funds | Fair Value Inputs Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  |  | 0.0
Private Equity Funds | Fair Value Inputs Level 1 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 0.0 |
Private Equity Funds | Fair Value Inputs Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  |  | 0.0
Private Equity Funds | Fair Value Inputs Level 2 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | 0.0 |
Private Equity Funds | Fair Value Inputs Level 3 |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  |  | $ 10.5
Private Equity Funds | Fair Value Inputs Level 3 | Foreign Pension Plans Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of asset |  | $ 22.3 |
U.S. Government Bonds |  |  |
Defined Benefit Plan Disclosure |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage |  | 63.00% | 44.00%
Debt Security, Corporate, Non-US |  |  |
Defined Benefit Plan Disclosure |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage |  | 2.00% | 7.00%
[1] | This class, which includes several funds, was invested approximately 63% in U.S. equity securities and 36% in international equity securities as of December 31, 2022, and 44% in U.S. equity securities and 56% in international equity securities as of December 31, 2021.
[2] | This class, which includes several funds, was invested approximately 32% in corporate debt securities, 66% in governmental securities in the U.S. and Canada and 2% in other foreign entity debt securities as of December 31, 2022, and 44% in corporate debt securities, 49% in governmental securities in the U.S. and Canada and 7% in other foreign entity debt securities as of December 31, 2021.

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