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Financial Instruments and Risk Management - Fair Value of Hedging Contracts (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Assets: |  |
Total assets |  | $ 2.5
Liabilities: |  |
Total liabilities | $ 2.1 | 5.6
Level 1 |  |
Assets: |  |
Total assets |  | 0.0
Liabilities: |  |
Total liabilities | 0.0 | 0.0
Level 2 |  |
Assets: |  |
Total assets |  | 2.5
Liabilities: |  |
Total liabilities | 2.1 | 5.6
Level 3 |  |
Assets: |  |
Total assets |  | 0.0
Liabilities: |  |
Total liabilities | 0.0 | 0.0
Natural gas contracts |  |
Liabilities: |  |
Total liabilities | 1.6 | 0.6
Natural gas contracts | Level 1 |  |
Liabilities: |  |
Total liabilities | 0.0 | 0.0
Natural gas contracts | Level 2 |  |
Liabilities: |  |
Total liabilities | 1.6 | 0.6
Natural gas contracts | Level 3 |  |
Liabilities: |  |
Total liabilities | 0.0 | 0.0
Currenct exchange contracts |  |
Assets: |  |
Total assets |  | 0.5
Liabilities: |  |
Total liabilities | 0.5 |
Currenct exchange contracts | Level 1 |  |
Assets: |  |
Total assets |  | 0.0
Liabilities: |  |
Total liabilities | 0.0 |
Currenct exchange contracts | Level 2 |  |
Assets: |  |
Total assets |  | 0.5
Liabilities: |  |
Total liabilities | 0.5 |
Currenct exchange contracts | Level 3 |  |
Assets: |  |
Total assets |  | 0.0
Liabilities: |  |
Total liabilities | $ 0.0 |
Net investment hedge |  |
Assets: |  |
Total assets |  | 2.0
Liabilities: |  |
Total liabilities |  | 1.0
Net investment hedge | Level 1 |  |
Assets: |  |
Total assets |  | 0.0
Liabilities: |  |
Total liabilities |  | 0.0
Net investment hedge | Level 2 |  |
Assets: |  |
Total assets |  | 2.0
Liabilities: |  |
Total liabilities |  | 1.0
Net investment hedge | Level 3 |  |
Assets: |  |
Total assets |  | 0.0
Liabilities: |  |
Total liabilities |  | 0.0
Interest rate swap contracts |  |
Liabilities: |  |
Total liabilities |  | 4.0
Interest rate swap contracts | Level 1 |  |
Liabilities: |  |
Total liabilities |  | 0.0
Interest rate swap contracts | Level 2 |  |
Liabilities: |  |
Total liabilities |  | 4.0
Interest rate swap contracts | Level 3 |  |
Liabilities: |  |
Total liabilities |  | $ 0.0

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