Note 10 - Derivatives - Effect of Derivative Instruments on Consolidated Statements of Earnings (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Net sales		$ 258.1	$ 263.3
Interest expense, net		(0.3)	(3.9)
Interest expense, net			0.7
Net foreign currency transaction gain		0.6	0.5
Net gain recognized in other comprehensive loss, net of tax(a)		(0.2)
Net gain reclassified from accumulated other comprehensive loss into income, net of tax, effective portion to net foreign currency transaction gain		0.6	0.5
Foreign Exchange Option [Member]
Net foreign currency transaction gain		3.5
Net gain recognized in other comprehensive loss, net of tax(a)	[1]	3.8
Net gain reclassified from accumulated other comprehensive loss into income, net of tax, effective portion to interest expense, net		0.5
Net gain reclassified from accumulated other comprehensive loss into income, net of tax, effective portion to net foreign currency transaction gain		3.5
Net gain recognized in income(b)	[2]	1.6
Foreign Exchange Forward [Member]
Net foreign currency transaction gain			5.6
Net gain recognized in other comprehensive loss, net of tax(a)	[1]		6.0
Net gain reclassified from accumulated other comprehensive loss into income, net of tax, effective portion to interest expense, net			0.4
Net gain reclassified from accumulated other comprehensive loss into income, net of tax, effective portion to net foreign currency transaction gain			5.6
Net gain recognized in income(b)	[2]		2.1
Sales [Member]
Amount of gain (loss) on cash flow hedge activity		0.0	(0.1)
Interest Income [Member]
Amount of gain (loss) on cash flow hedge activity		0.7	0.6
Foreign Currency Gain (Loss) [Member]
Amount of gain (loss) on cash flow hedge activity		$ 4.5	$ 7.3

[1] Net change in the fair value of the effective portion classified in other comprehensive loss.

[2] Classified in net foreign currency transaction gain.