Note 7 - Interest Expense, Net (Details) - Components of Interest Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Components of Interest Expense [Abstract]
Interest related to sale of tax benefits	$ 3,479	$ 1,580	$ 9,233	$ 5,140
Other interest expense	16,811	16,301	48,820	48,968
Less — amount capitalized	(1,831)	(2,481)	(6,227)	(9,567)
	$ 18,459	$ 15,400	$ 51,826	$ 44,541