Note 9 - Business Segments (Details) - Reconciling Information Between Reportable Segments and Consolidated Totals (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Reconciling Information Between Reportable Segments and Consolidated Totals [Abstract]
Operating income	$ 42,571	$ 7,684
Interest income	111	41
Interest expense, net	(20,518)	(15,863)
Foreign currency translation and transaction gains (losses)	(638)	1,682
Income attributable to sale of equity interest	6,717	3,532
Other non-operating (expense), net	63	1,417
Total income (loss), before income taxes and equity in losses of investees	$ 28,306	$ (1,507)