LONG-TERM DEBT / INTEREST EXPENSE (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consisted of the following: 

	September 30, 2018			December 31, 2017
	(in thousands)
Tranche B-1 Term Loan (net of $0.1 million and $0.9 million discount)	$	148,402		$	1,130,320
Tranche B-2 Term Loan (net of $24.9 million discount)	647,366			—
FILO Term Loan (net of $11.6 million discount)	263,403			—
Unpaid original issuance discount	13,231			—
Notes	173,591			167,988
Debt issuance costs	(867		)	(1,285		)
Total debt	1,245,126			1,297,023
Less: current debt	(204,480		)	—
Long-term debt	$	1,040,646		$	1,297,023

Components of Convertible Debt

The Notes consist of the following components:

	September 30, 2018			December 31, 2017
	(in thousands)
Liability component
Principal	$	188,565		$	188,565
Conversion feature	(13,167		)	(18,065		)
Discount related to debt issuance costs	(1,807		)	(2,512		)
Net carrying amount	$	173,591		$	167,988

Schedule of Interest Expense

Interest expense consisted of the following:

	Three months ended September 30,					Nine months ended September 30,
	2018		2017			2018		2017
	(in thousands)
Tranche B-1 Term Loan coupon	$	1,755	$	10,803		$	11,496	$	30,509
Tranche B-2 Term Loan coupon	20,447		—			45,976		—
FILO Term Loan coupon	6,901		—			15,241		—
Revolving Credit Facility	285		—			655		—
Terminated revolving credit facility	—		1,188			316		3,982
Amortization of discount and debt issuance costs	3,659		550			8,954		1,800
Subtotal	33,047		12,541			82,638		36,291
Notes:
Coupon	707		1,078			2,121		3,210
Amortization of conversion feature	1,655		2,422			4,898		7,156
Amortization of discount and debt issuance costs	244		321			731		938
Total Notes	2,606		3,821			7,750		11,304
Other	79		(23		)	60		705
Interest expense, net	$	35,732	$	16,339		$	90,448	$	48,300