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Note 8 - Derivative Instruments - Fair Value of Forward and Put Option Contracts (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Other Current Assets [Member] |  |
Derivative [Line Items] |  |
Net asset (liability) | $ 10.2 | $ 11.5
Other Non-current Assets [Member] |  |
Derivative [Line Items] |  |
Net asset (liability) | 2.4 | 6.6
Other Current Liabilities [Member] |  |
Derivative [Line Items] |  |
Net asset (liability) | (0.5) | 0.0
Other Non-current Liabilities [Member] |  |
Derivative [Line Items] |  |
Net asset (liability) | $ 0.0 | $ 0.0

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