Convertible Senior Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Convertible Senior Debt

The following table summarizes the Company’s convertible senior debt:

	December 31, 2014		December 31, 2013
	(in thousands)
5.000% Notes due 2016	$	50,000	$	50,000
4.250% Notes due 2018	350,000		350,000
3.625% Notes due 2020	300,000		300,000
Total	$	700,000	$	700,000

Summary of Interest Incurred, Capitalized and Paid

The following table summarizes interest incurred, capitalized and paid on all forms of indebtedness (included in Notes E, F and G):

	Year Ended			11 Months Ended			Year Ended
	December 31, 2014			December 31, 2013			January 31, 2013
	(in thousands)
Interest incurred	$	258,816		$	301,735		$	349,418
Interest capitalized	(24,411		)	(16,693		)	(96,094		)
Net interest expense	$	234,405		$	285,042		$	253,324
Interest incurred from discontinued operations	$	5,538		$	12,015		$	23,167
Cash paid for interest (net of amount capitalized)	$	235,373		$	292,692		$	291,509