The following table summarizes the Company's debt facilities as of June 30, 2018 and December 31, 2017:

Facility or Arrangement	Original Principal Amount	Balance as of June 30, 2018⁽¹⁾⁽²⁾	Balance as of December 31, 2017⁽²⁾	Interest Rate	Repayment terms

October 2014 Credit Agreement term loan facility:

U.S. dollar denominated:	$127.5 million	—	$94.8 million	Variable 30 day: 4.627%	Principal amount was paid in full during April 2018.

Japanese yen denominated:	6.6 billion yen	—	4.9 billion yen ($43.5 million as of December 31, 2017)	Variable 30 day: 2.7595%	Principal amount was paid in full during April 2018.

October 2014 Credit Agreement revolving credit facility:		—	$47.5 million	Variable 30 day: 4.594%	Principal amount was paid in full during April 2018 and credit line was closed.

April 2018 Credit Agreement term loan facility:

U.S. dollar denominated:	$400.0 million	$395.0 million	—	Variable 30 day: 4.344%	35% of the principal amount is payable in increasing quarterly installments over a five-year period beginning on June 30, 2018, with the remainder payable at the end of the five-year term.

April 2018 Credit Agreement revolving credit facility:		$74.5 million	—	Variable 30 day: 4.344%	Revolving line of credit expires April 18, 2023.

Japan subsidiary loan:	2.1 billion yen	0.3 billion yen ($3.0 million as of June 30, 2018)	0.7 billion yen ($5.9 million as of December 31, 2017)	0.66%	Payable in semi-annual installments over three years that began on January 31, 2016.

Convertible note	$210.0 million	—	$210.0 million	4.75%	Principal amount was paid in full during April 2018.

⁽¹⁾

As of June 30, 2018, the current portion of the Company's debt (i.e. becoming due in the next 12 months) included $20.0 million of the balance of its U.S. dollar denominated debt under the New Credit Agreement facility and $3.0 million of the Japan subsidiary loan. The Company has classified the $74.5 million borrowed under the revolving line of credit as short term because it is the Company's intention to use the line of credit to borrow and pay back funds over short periods of time.

⁽²⁾

The carrying value of the debt reflects the amounts stated in the above table less debt issuance costs of $4.5 million as of June 30, 2018 related to the credit agreement; and a debt discount of $9.1 million and debt issuance costs of $4.0 million (consisting of $11.1 million related to the Convertible Note and $2.0 million related to the credit agreement) as of December 31, 2017, which is not reflected in this table.