LONG-TERM DEBT / INTEREST EXPENSE (Tables)

12 Months Ended

Dec. 31, 2019

Long-term debt consisted of the following:



	December 31,
	2019			2018
	(in thousands)
Tranche B-1 Term Loan (net of $0.0 million discount)	$	—		$	147,289
Tranche B-2 Term Loan (net of $7.0 million and $17.5 million discount)	441,500			554,760
FILO Term Loan (net of $8.2 million and $10.9 million discount)	266,814			264,086
Unpaid original issuance discount	—			11,445
Notes (net of $3.9 million and $11.5 million conversion feature and $0.5 million and $1.6 million discount)	154,675			175,504
Debt issuance costs	(424		)	(762		)
Total debt	$	862,565		$	1,152,322
Less: current maturities	(180,566		)	(158,756		)
Long-term debt	$	681,999		$	993,566

Schedule of Total Debt Principal Maturities

At December 31, 2019, the Company's future annual contractual obligations on long-term debt are detailed below:



Year Ending December 31,	Tranche B-2 Term Loan ⁽¹⁾		FILO Term Loan ⁽²⁾		Convertible Notes ⁽³⁾		Total

2020	$	25,909	$	—	$	159,097	$	185,006
2021	422,553		—		—		422,553
2022	—		275,000		—		275,000
Total	$	448,462	$	275,000	$	159,097	$	882,559

(1) Includes the unamortized original issuance discount of $7.0 million

(2) Includes the unamortized original issuance discount of $8.2 million

(3) Includes unamortized conversion feature of $3.9 million and original issuance discount of $0.5 million.

Convertible Debt

The Notes consist of the following components:



	As of December 31,
	2019			2018
	(in thousands)
Liability component
Principal	$	159,097		$	188,565
Conversion feature	(3,898		)	(11,489		)
Discount related to debt issuance costs	(524		)	(1,572		)
Net carrying amount	$	154,675		$	175,504

Equity component
Conversion feature	$	49,680		$	49,680
Debt issuance costs	(1,421		)	(1,421		)
Deferred taxes ^(*)	(16,540		)	(16,620		)
Net amount recorded in additional paid-in capital	$	31,719		$	31,639

(*) The balance at December 31, 2019 includes $0.1 million related to the tax provision that was allocated to additional paid in capital associated with the convertible debt repurchase.

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

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



	Fair Value at
Balance Sheet Classification	December 31, 2019		December 31, 2018
	(in thousands)

Other current liabilities	$	5,013	$	—
Other long-term liabilities	1,927		3,210
Total liabilities	$	6,940	$	3,210

Schedule of Interest Expense

Interest expense consisted of the following:



	For the year ended December 31,
	2019			2018			2017
	(in thousands)
Senior Credit Facility:
Tranche B-1 Term Loan coupon	$	928		$	13,322		$	41,477
Tranche B-2 Term Loan coupon	54,873			64,417			—
FILO Term Loan coupon	27,380			22,143			—
Revolving Credit Facility	409			1,022			—
Terminated revolving credit facility	—			316			4,685
Amortization of discount and debt issuance costs	13,609			15,648			2,413
Total Senior Credit Facility	97,199			116,868			48,575
Notes:
Coupon	2,576			2,828			4,272
Amortization of conversion feature	6,246			6,576			9,496
Amortization of discount and debt issuance costs	895			974			1,251
Total Notes	9,717			10,378			15,019
Interest income and other	(207		)	(166		)	627
Interest expense, net	$	106,709		$	127,080		$	64,221