Note 5 - Property, Plant and Equipment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Depreciation, Total	$ 38,400	$ 43,200
Operating Lease, Impairment Loss	5,300
EMEA Segment [Member]
Tangible Asset Impairment Charges, Total	12,956
Operating Lease, Impairment Loss	$ 5,315