Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2015

Long-Term Debt [Abstract]

Debt Facilities

Facility or   Arrangement	Original Principal Amount	Balance as of    December 31, 2014	Balance as of    December 31, 2015(1)(2)	Interest Rate	Repayment terms
Credit Agreement term loan facility:
U.S. dollar denominated:	$127.5 million	$125.9 million	$118.7 million	Variable 30 day: 2.4815%	One half of the principal amount payable in increasing quarterly installments over a five-year period beginning on December 31, 2014, with the remainder payable at the end of the five-year term.
Japanese yen denominated:	6.6 billion yen	6.5 billion yen ($54.4 million as of December 31, 2014)	6.1 billion yen ($51.1 million as of December 31, 2015)	Variable 30 day: 2.30%	One half of the principal amount payable in increasing quarterly installments over a five-year period beginning on December 31, 2014, with the remainder payable at the end of the five-year term.
Credit Agreement revolving credit facility:
		$72.5 million	$47.5 million	Variable 30 day: 2.4815%	Revolving line of credit expires October 2019.
Korean subsidiary loan:	$20.0 million	─	$20.0 million	1.12%	One half of the principal amount payable on March 17, 2017 and the remainder payable on March 16, 2018.
Japan subsidiary loan:	2.0 billion yen	─	2.0 billion yen ($16.6 million as of December 31, 2015)	0.66%	Payable in semi-annual installments over three years that began on January 31, 2016.

⁽¹⁾ As of December 31, 2015, the current portion of the Company's debt (i.e. becoming due in the next 12 months) included $57.8 million of the balance of its U.S. dollar denominated debt under the Credit Agreement facility, $4.5 million of the balance of its Japanese yen-denominated debt under the Credit Agreement facility and $5.5 million of the Japan subsidiary loan. The Company has classified the amounts 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 a debt discount of $4.3 million, which is not reflected in this table.

Maturities of Long-Term Debt

Maturities of all long-term debt at December 31, 2015, based on the year-end exchange rate, are as follows (U.S. dollars in thousands):

Year Ending December 31,
2016	$	67,849
2017		34,905
2018		39,481
2019		111,664
2020	─
Thereafter	─
Total(1)	$	253,899

⁽¹⁾ The carrying value of the debt reflects the amounts stated in the above table less a debt discount of $4.3 million, which is not reflected in this table.