Note 11 - Long-Term Debt (Tables)

6 Months Ended

Jun. 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 June 30, 2014 and December 31, 2013 was as follows:

(In thousands)		June 30, 2014		December 31, 2013
5.375%	Senior Notes due 2015	$	—	$	54,481
9.000%	Senior Notes due 2017	192,096		191,611
3.000%	Convertible Senior Notes due 2017 (1)	364,296		353,798
2.250%	Convertible Senior Notes due 2019 (2)	336,005		330,182
5.500%	Senior Notes due 2019	300,000		—
	Total long-term debt	$	1,192,397	$	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)	June 30, 2014			December 31, 2013			June 30, 2014				December 31, 2013
Liability component:
Principal	$	450,000		$	450,000		$	400,000			$	400,000
Less: debt discount, net (1)	(85,704		)	(96,202		)	(63,995		)		(69,818		)
Net carrying amount	$	364,296		$	353,798		$	336,005			$	330,182
Equity component (net of tax impact) (2)	$	65,679		$	65,679		$	77,026		(3)	$	77,026		(3)

__________________

(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 June 30,						Six Months Ended June 30,
($ in thousands)	2014			2013			2014			2013
Contractual interest expense	$	2,351		$	3,375		$	6,750		$	6,750
Amortization of debt issuance costs	304			287			604			570
Amortization of debt discount	5,312			4,826			10,498			9,538
Total interest expense	$	7,967		$	8,488		$	17,852		$	16,858
Effective interest rate of the liability component	9.75		%	9.75		%	9.75		%	9.75		%

	Convertible Senior Notes due 2019
	Three Months Ended June 30,						Six Months Ended June 30,
($ in thousands)	2014			2013			2014			2013
Contractual interest expense	$	2,250		$	2,250		$	4,500		$	2,925
Amortization of debt issuance costs	319			308			635			400
Amortization of debt discount	2,934			2,758			5,823			3,577
Total interest expense	$	5,503		$	5,316		$	10,958		$	6,902
Effective interest rate of the liability component	6.25		%	6.25		%	6.25		%	6.25		%