Note 17 - Restructuring Liabilities (Details Textual) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) Position	Mar. 31, 2020 USD ($)	Jun. 30, 2020 USD ($) Position
Restructuring Cost And Reserve [Line Items]
Restructuring Costs | $	$ 1	$ 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
Administrative and Sales Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated			70
Administrative and Sales Positions [Member] | Non-US [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated	3
Manufacturing Service Positions [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated			20
Restructuring costs and other [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs | $	$ 1		$ 7