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