Debt (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Outstanding debt
Unamortized bond discount	$ (59)	$ (75)
Total	67,978	68,007
Less: current portion	67,978	576
Long-term debt		67,431
Scheduled repayments of outstanding debt
Remainder of 2013	531
2014	67,506
7.00% Senior Notes
Outstanding debt
Total	67,506	67,506
Interest rate (as a percent)	7.00%	7.00%
Scheduled repayments of outstanding debt
Total	67,506	67,506
Overseas lines of credit
Outstanding debt
Total	$ 531	$ 576

Carrying value as of the balance sheet date of the sum of short-term debt and current maturities of long-term debt and capital lease obligations, which are due within one year (or one business cycle if longer).

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Interest rate stated in the contractual debt agreement.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.

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