Note 11 - Long-Term Debt Level 3 (Tables)

12 Months Ended

Dec. 31, 2014

Long-term Debt, Unclassified [Abstract]

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

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

		December 31,
($ in thousands)		2014		2013
5.375%	Senior Notes due 2015	$	—	$	54,481
9.000%	Senior Notes due 2017	192,605		191,611
3.000%	Convertible Senior Notes due 2017 (1)	375,310		353,798
2.250%	Convertible Senior Notes due 2019 (2)	342,011		330,182
5.500%	Senior Notes due 2019	300,000		—
	Total long-term debt	$	1,209,926	$	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 consolidated balance sheets as follows:

	Convertible Senior Notes due 2017							Convertible Senior Notes due 2019
	December 31,							December 31,
(In thousands)	2014				2013			2014				2013
Liability component:
Principal	$	450,000			$	450,000		$	400,000			$	400,000
Debt discount, net (1)	(74,690		)		(96,202		)	(57,989		)		(69,818		)
Net carrying amount	$	375,310			$	353,798		$	342,011			$	330,182
Equity component of currently redeemable convertible senior notes	$	74,690			$	—		$	—			$	—
Equity component (net of tax impact) (2)	$	(9,011	)	(3)	$	65,679		$	77,026		(4)	$	77,026		(4)

__________________

(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) Primarily represents the deferred tax amount related to this transaction due to the reclassification of the debt discount to temporary equity.

(4) 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 at the time the debt was issued.

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

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
	December 31,				December 31,
	2014		2013		2014		2013
(In thousands)
Contractual interest expense	$	13,500	$	13,500	$	9,000	$	7,425
Amortization of debt issuance costs	1,226		1,157		1,282		1,025
Amortization of debt discount	21,512		19,544		11,829		9,223
Total interest expense	$	36,238	$	34,201	$	22,111	$	17,673