PENSION PLANS (Details) (USD $)	3 Months Ended
Mar. 31, 2015 plan	Mar. 31, 2014
Defined Benefit Plan Disclosure
Number of types of retirement plans	2
Aggregate net pension expense relating to the two plan types
Service costs	$ 318,000us-gaap_DefinedBenefitPlanServiceCost	$ 389,000us-gaap_DefinedBenefitPlanServiceCost
Interest costs	334,000us-gaap_DefinedBenefitPlanInterestCost	385,000us-gaap_DefinedBenefitPlanInterestCost
Amortization of actuarial loss	152,000	19,000
Net pension period cost	804,000	793,000
Expected net pension cost for next fiscal year	3,400,000
Cash funding for benefits paid	100,000
Expected cash funding for benefits to be paid next year	$ 500,000
Minimum [Member]
Defined Benefit Plan Disclosure
Period of salary paid to Company's French employees as termination benefits at retirement, range (in months)	1
Maximum [Member]
Defined Benefit Plan Disclosure
Period of salary paid to Company's French employees as termination benefits at retirement, range (in months)	5

Defined Benefit Plan, Expected Contributions by Employer in the Next 12 Months

No definition available.

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- Definition

The total amount of expected net periodic benefit cost for defined benefit plans for the next fiscal year. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

+ References

No definition available.

+ Details

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- Definition

Represents the period of salary paid to the entity's employees as termination benefits only at retirement, under the retirement plans.

+ References

No definition available.

+ Details

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- Definition

Represents the number of types of retirement plans of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of gains or losses recognized in net periodic benefit cost.

+ References

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- Definition

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

+ References

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- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

+ References

+ Details

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- Definition

The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

+ References

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- Definition

The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (h)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Service Cost (Component of Net Periodic Pension Cost)

-URI http://asc.fasb.org/extlink&oid=6525008

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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