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FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Auction rate securities
Fair value of level 3 financial assets, roll forward
Balance at the beginning of the period	$ 23,156	$ 35,852
Total gains (losses) for the period: Included in earnings	3,553	1,897
Total gains (losses) for the period: Included in other comprehensive income	(2,482)	2,482
Settlements	(8,043)	(17,075)
Balance at the end of the period	16,184	23,156
Put Options
Fair value of level 3 financial assets, roll forward
Balance at the beginning of the period	1,929	3,041
Total gains (losses) for the period: Included in earnings	(837)	(1,112)
Balance at the end of the period	$ 1,092	$ 1,929

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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

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-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

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