Debt And Interest Expense (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Proceeds upon issuance of the Convertible Debentures

Proceeds upon issuance of the Subordinated Convertible Debentures were as follows (in thousands):

Principal value of Subordinated Convertible Debentures	$	1,250,000
Less: Issuance costs	(25,777		)
Net proceeds, Subordinated Convertible Debentures	$	1,224,223
Amounts recognized at issuance:
Subordinated Convertible Debentures, including contingent interest derivative (net of issuance costs of $11,328)	$	546,915
Additional paid-in capital	418,996
Long-term deferred tax liabilities	267,225
Non-operating loss	(8,913		)
Net proceeds, Subordinated Convertible Debentures	$	1,224,223

Schedule of Carrying Amounts of Liability and Equity Components

The table below presents the carrying amounts of the liability and equity components:

	As of December 31,
	2016			2015
	(In thousands)
Debt discount upon issuance (net of issuance costs of $14,449)	$	686,221		$	686,221
Deferred taxes associated with the debt discount upon issuance	(267,225		)	(267,225		)
Carrying amount of equity component	$	418,996		$	418,996
Principal amount of Subordinated Convertible Debentures	$	1,250,000		$	1,250,000
Unamortized discount of liability component	(624,315		)	(635,378		)
Unamortized debt issuance costs associated with the liability component	(10,260		)	(10,422		)
Carrying amount of liability component	615,425			604,200
Contingent interest derivative	14,339			30,126
Subordinated Convertible Debentures, including contingent interest derivative	$	629,764		$	634,326

Schedule of Components of Interest Expense

The following table presents the components of the Company’s interest expense:

	Year Ended December 31,
	2016		2015		2014
	(In thousands)
Contractual interest on Subordinated Convertible Debentures	$	40,625	$	40,625	$	40,625
Contractual interest on Senior Notes	60,938		54,667		34,688
Amortization of debt discount on the Subordinated Convertible Debentures	11,094		10,218		9,412
Credit facility and other interest expense	2,907		2,121		1,269
Total interest expense	$	115,564	$	107,631	$	85,994