Note 11 - Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2014

Long-term Debt, Unclassified [Abstract]

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

The carrying value of our long-term debt at September 30, 2014 and December 31, 2013 was as follows:

(In thousands)		September 30, 2014		December 31, 2013
5.375%	Senior Notes due 2015	$	—	$	54,481
9.000%	Senior Notes due 2017	192,348		191,611
3.000%	Convertible Senior Notes due 2017 (1)	369,737		353,798
2.250%	Convertible Senior Notes due 2019 (2)	338,984		330,182
5.500%	Senior Notes due 2019	300,000		—
	Total long-term debt	$	1,201,069	$	930,072

_______________________

(1) The principal amount of these notes is $450 million.

(2) The principal amount of these notes is $400 million.

Schedule of Liability and Equity Components of Convertible Debt [Table Text Block]

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)	September 30, 2014			December 31, 2013			September 30, 2014				December 31, 2013
Liability component:
Principal	$	450,000		$	450,000		$	400,000			$	400,000
Less: debt discount, net (1)	(80,263		)	(96,202		)	(61,015		)		(69,818		)
Net carrying amount	$	369,737		$	353,798		$	338,985			$	330,182
Equity component (net of tax impact) (2)	$	65,679		$	65,679		$	77,026		(3)	$	77,026		(3)

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

(2) Amount included within additional paid-in capital, net of the capped call transactions (Convertible Senior Notes due 2017) and related issuance costs (Convertible Senior Notes due 2017 and 2019).

(3) There was no net tax impact recorded in equity related to the Convertible Senior Notes due 2019, as a result of our full valuation allowance.

Schedule of Interest Expense Recognized Related to Convertible Debt [Table Text Block]

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

	Convertible Senior Notes due 2017
	Three Months Ended September 30,						Nine Months Ended September 30,
($ in thousands)	2014			2013			2014			2013
Contractual interest expense	$	3,375		$	3,375		$	10,125		$	10,125
Amortization of debt issuance costs	308			291			912			861
Amortization of debt discount	5,441			4,943			15,939			14,481
Total interest expense	$	9,124		$	8,609		$	26,976		$	25,467
Effective interest rate of the liability component	9.75		%	9.75		%	9.75		%	9.75		%

	Convertible Senior Notes due 2019
	Three Months Ended September 30,						Nine Months Ended September 30,
($ in thousands)	2014			2013			2014			2013
Contractual interest expense	$	2,250		$	2,250		$	6,750		$	5,175
Amortization of debt issuance costs	322			311			957			711
Amortization of debt discount	2,980			2,801			8,803			6,378
Total interest expense	$	5,552		$	5,362		$	16,510		$	12,264
Effective interest rate of the liability component	6.25		%	6.25		%	6.25		%	6.25		%