Note 7 - Interest Expense, Net (Details) - Components of Interest Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Components of Interest Expense [Abstract]
Interest related to sale of tax benefits	$ 3,037	$ 1,723	$ 5,754	$ 3,560
Other interest expense	16,166	16,199	32,009	32,667
Less — amount capitalized	(1,699)	(3,659)	(4,396)	(7,086)
	$ 17,504	$ 14,263	$ 33,367	$ 29,141