Note 7 - Interest Expense, Net (Tables)

9 Months Ended

Sep. 30, 2013

Interest Expense Disclosure [Abstract]

Schedule of Other Nonoperating Expense, by Component [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(Dollars in thousands)						(Dollars in thousands)
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