Note 11 - Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2017

Long-term Debt, Unclassified [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

The carrying value of our long-term debt at March 31, 2017 and December 31, 2016 was as follows:

(In thousands)		March 31, 2017		December 31, 2016
5.500%	Senior Notes due 2019	$	297,206	$	296,907
5.250%	Senior Notes due 2020	345,618		345,308
7.000%	Senior Notes due 2021	344,650		344,362
3.000%	Convertible Senior Notes due 2017	21,303		20,947
2.250%	Convertible Senior Notes due 2019	—		62,013
	Total long-term debt	$	1,008,777	$	1,069,537

Convertible Debt

The convertible notes are reflected on our condensed consolidated balance sheets as follows:

	Convertible Senior Notes due 2017						Convertible Senior Notes due 2019
(In thousands)	March 31, 2017			December 31, 2016			March 31, 2017		December 31, 2016
Liability component:
Principal	$	22,233		$	22,233		$	—	$	68,024
Debt discount, net (1)	(883		)	(1,221		)	—		(5,461		)
Debt issuance costs (1)	(47		)	(65		)	—		(550		)
Net carrying amount	$	21,303		$	20,947		$	—	$	62,013
Equity component of currently redeemable convertible senior notes	$	883		$	—		$	—	$	—

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(1) Included within long-term debt and is being amortized over the life of the convertible notes.

The following table sets forth total interest expense recognized related to the convertible notes for the periods indicated:

	Convertible Senior Notes due 2017				Convertible Senior Notes due 2019
	Three Months Ended March 31,				Three Months Ended March 31,
(In thousands)	2017		2016		2017			2016
Contractual interest expense (benefit) (1)	$	167	$	372	$	(510	)	$	2,013
Amortization of debt issuance costs	18		37		16			293
Amortization of debt discount	338		708		163			2,909
Total interest expense (benefit) (1)	$	523	$	1,117	$	(331	)	$	5,215

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(1) Interest expense (benefit) represents expense incurred, net of adjustments to accruals previously recorded.