Note 8 - Derivative Instruments - Fair Value of Forward and Put Option Contracts (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Other Current Assets [Member]
Derivative [Line Items]
Net asset (liability)	$ 7.7	$ 11.5
Other Non-current Assets [Member]
Derivative [Line Items]
Net asset (liability)	4.7	6.6
Other Current Liabilities [Member]
Derivative [Line Items]
Net asset (liability)	0.0	0.0
Other Non-current Liabilities [Member]
Derivative [Line Items]
Net asset (liability)	$ 0.0	$ 0.0
Forward and Put Option Contracts [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets	Other current assets
Forward and Put Option Contracts [Member] | Other Non-current Assets [Member]
Derivative [Line Items]
Other non-current assets	Other non-current assets
Forward and Put Option Contracts [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Other current liabilities	Other current liabilities
Forward and Put Option Contracts [Member] | Other Non-current Liabilities [Member]
Derivative [Line Items]
Other non current liabilities	Other non-current liabilities