Note 7 - Interest Expense, Net (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Interest related to sale of tax benefits	$	2,846		$	2,807		$	3,704		$	4,687
Interest expense		15,863			17,025			31,488			33,920
Less — amount capitalized		(308	)		(973	)		(768	)		(1,920	)
	$	18,401		$	18,859		$	34,424		$	36,687