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PENSION AND POST RETIREMENT PLANS (Details 9) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
401(k) plan
Defined Contribution Plans
Employer matching contribution (as a percent)	4.00%
Employer matching contribution expenses	$ 1.6	$ 1.6	$ 1.5
Profit sharing plan
Defined Contribution Plans
Profit sharing expense recorded	$ 1.2	$ 1.2	$ 0
Profit sharing plan | Maximum
Defined Contribution Plans
Contribution percentage	3.00%

X

- Details

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- Definition

The contribution, under the defined contribution plan, made by the employer as a percentage when a minimum threshold of the entity's performance is achieved.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of the profit sharing expenses recorded during the period for defined contribution plans.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

+ Details

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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