INCOME TAXES (Changes in Unrecognized Income Tax Benefits) (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
INCOME TAXES [Abstract]
Unrecognized income tax benefits as of January 1	$ 12,155,000us-gaap_UnrecognizedTaxBenefits	$ 13,550,000us-gaap_UnrecognizedTaxBenefits	$ 13,488,000us-gaap_UnrecognizedTaxBenefits
Increases for tax positions related to Prior years	229,000	28,000	0
Increases for tax positions related to Current year	528,000	845,000	1,356,000
Decreases for tax positions related to Prior years	(53,000)	(86,000)	(43,000)
Settlements with taxing authorities	0	(136,000)	(1,456,000)
Expiration of applicable statute of limitations	(5,802,000)	(2,046,000)	205,000
Unrecognized income tax benefits as of December 31	$ 7,057,000us-gaap_UnrecognizedTaxBenefits	$ 12,155,000us-gaap_UnrecognizedTaxBenefits	$ 13,550,000us-gaap_UnrecognizedTaxBenefits

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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-Name Accounting Standards Codification

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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