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FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Auction rate securities
Fair value of level 3 financial assets, roll forward
Balance at the beginning of the period	$ 12,819	$ 17,762	$ 16,184	$ 23,156
Total gains (losses) for the period: Included in earnings	648	211	732	3,091
Total gains (losses) for the period: Included in other comprehensive income				(2,483)
Settlements	(8,625)	(1,250)	(12,074)	(7,041)
Balance at the end of the period	4,842	16,723	4,842	16,723
Put Options
Fair value of level 3 financial assets, roll forward
Balance at the beginning of the period	994	1,686	1,092	1,929
Total gains (losses) for the period: Included in earnings	(674)	(167)	(772)	(410)
Balance at the end of the period	$ 320	$ 1,519	$ 320	$ 1,519

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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

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-Name Accounting Standards Codification

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-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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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

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-Name Accounting Standards Codification

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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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