Note 2 - Business Acquisitions and Others (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Cash and cash equivalents and restricted cash	$	37.9
Property, plant and equipment and construction-in-process		77.3
Intangible assets (1)		127.0
Goodwill (2)		12.7
Deferred taxes		1.7
Total assets acquired	$	256.6
Other working capital	$	(8.2	)
Long-term term debt		(98.3	)
Asset retirement obligation		(9.0	)
Noncontrolling interest		(34.9	)
Total liabilities assumed	$	(150.4	)
Total assets acquired, and liabilities assumed, net	$	106.2

Business Acquisition, Pro Forma Information [Table Text Block]

	Pro forma for the year ended December 31, 2018		Pro forma for the year ended December 31, 2017
	(Dollars in thousands)
Electricity revenues	$	521,175	$	497,650
Total revenues		730,563		724,869
Income from continuing operations before income taxes and equity in losses of investees		134,142		169,546