DEBT / INTEREST EXPENSE (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Debt consisted of the following: 

	March 31, 2020		December 31, 2019
	(in thousands)
Tranche B-2 Term Loan (net of $2.0 million and $7.0 million discount)	434,773		441,500
FILO Term Loan (net of $1.1 million and $8.2 million discount)	273,898		266,814
Notes (net of $2.4 million and $3.9 million conversion feature and $0.3 million and $0.5 million discount)	156,427		154,675
Revolving Credit Facility	30,000		—
Debt issuance costs	(76)		(424)
Total debt	895,022		862,565
Less: current debt	(895,022)		(180,566)
Long-term debt	$	—	$	681,999

Components of Convertible Debt

As of March 31, 2020, the Company maintains $159.1 million in principal amount of its 1.5% convertible Notes. The Notes consist of the following components:

	March 31, 2020		December 31, 2019
	(in thousands)
Liability component
Principal	$	159,097	$	159,097
Conversion feature	(2,356)		(3,898)
Discount related to debt issuance costs	(314)		(524)
Net carrying amount	$	156,427	$	154,675

Schedule of Derivative Financial Instruments

The fair values of the derivative financial instruments included in the Consolidated Balance Sheets consisted of the following:

	Fair Value at
Balance Sheet Classification	March 31, 2020		December 31, 2019
	(in thousand)
Other current liabilities	$	9,080	$	5,013
Other long-term liabilities	1,730		1,927
Total liabilities	$	10,810	$	6,940

Schedule of Interest Expense

Interest expense consisted of the following:

	Three months ended March 31,
	2020		2019
	(in thousands)
Tranche B-1 Term Loan coupon	$	—	$	928
Tranche B-2 Term Loan coupon	12,339		16,468
FILO Term Loan coupon	6,826		6,751
Revolving Credit Facility	149		123
Amortization of discount and debt issuance costs	15,055		6,043
Subtotal	34,369		30,313
Notes:
Coupon	596		707
Amortization of conversion feature	1,542		1,701
Amortization of discount and debt issuance costs	217		244
Total Notes	2,355		2,652
Loss on interest rate swap	10,810		—
Other	(90)		(9)
Interest expense, net	$	47,444	$	32,956