Debt (Tables)

9 Months Ended

Sep. 30, 2016

Schedule of outstanding debt obligations

Our outstanding debt obligations as of September 30, 2016 and December 31, 2015 consisted of the following (in thousands):



	September 30, 2016		December 31, 2015
2023 Senior Notes	$	489,320	$	488,481
2015 Term Loan Facility	321,340		332,688
Convertible Notes	177,146		170,749
Total long-term debt	987,806		991,918
Less: current maturities	62,791		17,500
Long-term debt, net of current maturities	$	925,015	$	974,418

Schedule of outstanding convertible debt

Our outstanding Convertible Note balances as of September 30, 2016 consisted of the following (in thousands):



	September 30, 2016
Liability component:
Principal	$	199,998
Less: debt discount and issuance costs, net	(22,852		)
Net carrying amount	$	177,146
Equity component	$	38,188

Schedule of total interest expense recognized related to the convertible notes

The following table sets forth total interest expense recognized related to the Convertible Notes during the three and nine months ended September 30, 2016 and 2015 (in thousands):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Contractual interest expense	$	1,250	$	1,250	$	3,750	$	3,750
Amortization of debt issuance costs	273		253		797		733
Amortization of debt discount	1,920		1,777		5,602		5,153
Total interest expense	$	3,443	$	3,280	$	10,149	$	9,636