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PENSIONS - Reconciliation of Fair Value of Plan Assets (Details) (Pensions, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of fair value of plan assets:
Fair value of plan assets at January 1	$ 14,846	$ 17,605
Actual return on plan assets	1,807	(1,656)
Employer contributions	2,434	2,440
Foreign currency exchange rate changes	435	(92)
Benefit payments	(5,328)	(3,451)
Fair value of plan assets at December 31	14,194	14,846
Equity securities
Reconciliation of fair value of plan assets:
Fair value of plan assets at December 31	9,520	10,051
Debt securities
Reconciliation of fair value of plan assets:
Fair value of plan assets at December 31	3,007	2,267
Cash
Reconciliation of fair value of plan assets:
Fair value of plan assets at December 31	$ 1,667	$ 2,528

X

- Definition

The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

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- Definition

The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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The increase in the fair value of plan assets from contributions made by the employer.

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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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The amount of increase or decrease in plan assets attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency.

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