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FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Auction rate securities
Fair value of level 3 financial assets, roll forward
Balance at the beginning of the period	$ 16,184	$ 23,156
Total gains (losses) for the period: Included in earnings	67	2,489
Total gains (losses) for the period: Included in other comprehensive income		(2,483)
Settlements	(1,725)	(5,792)
Balance at the end of the period	14,526	17,370
Put Options
Fair value of level 3 financial assets, roll forward
Balance at the beginning of the period	1,092	1,929
Total gains (losses) for the period: Included in earnings	(68)	82
Balance at the end of the period	$ 1,024	$ 2,011

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- Definition

Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

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Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

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-Name Accounting Standards Codification

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-Section 50

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

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