Indebtedness (Tables)

6 Months Ended

Jun. 30, 2020

Carrying Value of Senior Convertible Notes

The carrying values of the Company’s Senior Convertible Notes are as follows:

(in thousands)	June 30, 2020			December 31, 2019
2.25% Senior Convertible Notes due 2021:
Principal amount	$	650,000		$	650,000
Unamortized debt discount		(13,344	)		(22,501	)
Unamortized debt issuance costs		(2,514	)		(4,201	)
		634,142			623,298
1.00% Senior Convertible Notes due 2023:
Principal amount		450,000			—
Unamortized debt discount		(55,761	)		—
Unamortized debt issuance costs		(13,512	)		—
		380,727			—
0.375% Senior Convertible Notes due 2025:
Principal amount		450,000			—
Unamortized debt discount		(73,549	)		—
Unamortized debt issuance costs		(10,459	)		—
		365,992			—
Total Senior Convertible Notes	$	1,380,861		$	623,298

Less: Current portion		(634,142	)		—
Long-term Senior Convertible Notes	$	746,719		$	623,298

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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+ Details