Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Year Ended December 31,
	2016			2015			2014
U.S.	$	(133,572	)	$	(198,175	)	$	1,189
Foreign		(108,865	)		(22,693	)		70,456
	$	(242,437	)	$	(220,868	)	$	71,645

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	2016											2015												2014
	Current		Deferred			Other (a)			Total			Current			Deferred			Other (a)			Total			Current		Deferred			Other (a)		Total
U.S & State	$	-	$	(36,442	)	$	(6	)	$	(36,448	)	$	(69	)	$	(3,270	)	$	39		$	(3,300	)	$	464	$	80		$	1,627	$	2,171
Foreign		1,419		(2,014	)		(2,415	)		(3,010	)		1,130			(553	)		(2,910	)		(2,333	)		5,544		(146	)		1,701		7,099
	$	1,419	$	(38,456	)	$	(2,421	)	$	(39,458	)	$	1,061		$	(3,823	)	$	(2,871	)	$	(5,633	)	$	6,008	$	(66	)	$	3,328	$	9,270

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2016			2015			2014
U.S. federal statutory income tax rate		(35.0	) %		(35.0	) %		35.0	%
Effect of foreign operations		14.5			2.5			(25.2	)
US state income taxes net of Federal benefit		(1.1	)		(1.7	)		1.4
Foreign earnings repatriation		6.7			34.4			-
U.S. foreign tax credit		(2.7	)		(7.8	)		-
Valuation allowance		1.8			5.1			0.5
Other		(0.5	)		(0.1	)		1.2
Total		(16.3	) %		(2.6	) %		12.9	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
	2016			2015
	(In thousands)
Deferred tax assets
Net operating loss carryforwards	$	60,772		$	49,900
Items currently not deductible for tax purposes		21,445			20,753
Foreign and other tax credit carryforwards		34,131			27,450
		116,348			98,103
Less valuation allowance		(33,037	)		(23,742	)
Net deferred tax assets	$	83,311		$	74,361
Deferred tax liabilities
Depreciation	$	(91,105	)	$	(121,525	)
Other		(48,922	)		(50,889	)
Total deferred tax liabilities	$	(140,027	)	$	(172,414	)
Net deferred tax liability	$	(56,716	)	$	(98,053	)

Schedule of Tax Assets and Liabilities Based on Classification [Table Text Block]

	December 31,
	2016		2015
	(In thousands)
Prepaid expenses and other current assets	$	1,379	$	1,386
Total tax assets		1,379		1,386
Deferred tax liabilities		58,094		99,439
Total tax liabilities	$	58,094	$	99,439

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]

	2016			2015			2014
	(in thousands)
Unrecognized tax benefits balance at January 1,	$	10,899		$	10,659		$	10,352
Gross increases for tax positions taken in prior years		240			346			375
Gross decreases for tax positions taken in prior years		(152	)		(89	)		(68	)
Other		(1,813	)		(17	)		-
Unrecognized tax benefits balance at December 31,	$	9,174		$	10,899		$	10,659