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Debt (Tables)

6 Months Ended

Jun. 30, 2019

Debt Outstanding Excluding Lease Obligations

Debt outstanding, excluding lease obligations, consists of the following:

	June 30, 2019						December 31, 2018
(In thousands)	Principal Balance		Unamortized Discount and Debt Issuance Costs		Net Carrying Amount		Principal Balance		Unamortized Discount and Debt Issuance Costs		Net Carrying Amount
1.25% Cash Convertible Senior Notes	$	345,000	$	14,921	$	330,079	$	345,000	$	22,112	$	322,888
Senior Secured Credit Facility		520,000		5,283		514,717		350,000		6,038		343,962
Other debt		49		0		49		748		0		748
Total debt	$	865,049	$	20,204	$	844,845	$	695,748	$	28,150	$	667,598
Less: Debt payable within one year		22,548		427		22,121		20,538		479		20,059
Total long-term debt, less current maturities	$	842,501	$	19,777	$	822,724	$	675,210	$	27,671	$	647,539

Interest Expense

Interest expense consists of the following:

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2019		2018		2019		2018
Interest expense	$	6,434	$	8,146	$	12,663	$	16,084
Amortization of discounts and debt issuance costs		3,990		3,834		7,945		7,590
Total interest expense	$	10,424	$	11,980	$	20,608	$	23,674

Summary of Future Debt Payment Obligations

The following table summarizes future debt payment obligations as of June 30, 2019:


(In thousands)	Total		Remainder of 2019		2020		2021		2022		2023		Thereafter
1.25% Cash Convertible Senior Notes ⁽¹⁾	$	345,000	$	0	$	345,000	$	0	$	0	$	0	$	0
Term Loan		340,000		10,000		27,500		30,000		37,500		235,000		0
Revolving Facility ⁽²⁾		180,000		0		0		0		0		180,000		0
Other debt		49		49		0		0		0		0		0
Total debt	$	865,049	$	10,049	$	372,500	$	30,000	$	37,500	$	415,000	$	0

⁽¹⁾ Assumes no cash conversions of the 1.25% Notes prior to their maturity on July 1, 2020.

⁽²⁾ Assumes no additional borrowings after June 30, 2019, payment of any required periodic installments of principal and that all drawn amounts are repaid upon maturity.

1.25% Cash Convertible Senior Notes [Member]

Debt Instrument [Line Items]

Interest Expense Related to 1.25% Cash Convertible Senior Notes

Interest expense related to the 1.25% Cash Convertible Senior Notes (the “1.25% Notes”), included in the table above, consists of the following:

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2019		2018		2019		2018
Coupon interest at 1.25%	$	1,078	$	1,078	$	2,156	$	2,156
Amortization of discounts and debt issuance costs		3,614		3,442		7,191		6,849
Total interest expense related to the 1.25% Notes	$	4,692	$	4,520	$	9,347	$	9,005