Note 17 - Restructuring Liabilities (Details Textual) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) Position
Restructuring Cost And Reserve [Line Items]
Restructuring Costs | $	$ 7
Restructuring and Related Cost, Number of Positions Eliminated	90
US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	40
World Excluding US and Canada [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	50
Manufacturing Service Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	20
Administrative and Sales Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	70
Restructuring costs and other [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs | $	$ 7