Note 7 - Interest Expense, Net (Details) - Components of Interest Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Components of Interest Expense [Abstract]
Interest related to sale of tax benefits	$ 3,430	$ 3,479	$ 9,678	$ 9,233
Other interest expense	19,910	16,811	57,139	48,820
Less — amount capitalized	(846)	(1,831)	(1,733)	(6,227)
	$ 22,494	$ 18,459	$ 65,084	$ 51,826