Note 11 - Derivatives - Fair Value of Derivative Instruments (Details) - Foreign Exchange Forward [Member] - USD ($) $ in Millions		Dec. 31, 2020	Dec. 31, 2019
Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivative assets, current	[1]	$ 1.9	$ 2.5
Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivative liability, current	[1]	0.0	0.0
Designated as Hedging Instrument [Member] | Other Noncurrent Assets [Member]
Derivative assets	[1]	0.0	0.0
Designated as Hedging Instrument [Member] | Other Noncurrent Liabilities [Member]
Derivative liability	[1]	24.1	12.6
Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivative assets, current	[1]	0.4	0.6
Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivative liability, current	[1]	$ 0.7	$ 0.3

[1] Contracts that mature within the next 12 months are included in Other Current Assets and Other Current Liabilities for asset derivatives and liabilities derivatives, respectively, on our Consolidated Balance Sheets. Contracts with maturities greater than 12 months are included in Other Assets and Other Liabilities for asset derivatives and liability derivatives, respectively, in our Consolidated Balance Sheets. Amounts included in our Consolidated Balance Sheets are recorded net where a right of offset exists with the same derivative counterparty.