Note 8 - Derivative Instruments - Fair Value of Forward and Put Option Contracts (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Other Current Assets [Member]
Derivative [Line Items]
Net asset (liability)	$ 2.1	$ 11.5
Other Non-current Assets [Member]
Derivative [Line Items]
Net asset (liability)	1.0	6.6
Other Current Liabilities [Member]
Derivative [Line Items]
Net asset (liability)	(6.3)	0.0
Other Non-current Liabilities [Member]
Derivative [Line Items]
Net asset (liability)	$ (0.2)	$ 0.0