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STOCK-BASED COMPENSATION PLANS (Details 2) (Non Vested Stock Options [Member], USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Non Vested Stock Options [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares, Outstanding at beginning of year | 558,929 | 485,978 | 421,226
Number of Options, Granted | 333,300 | 253,400 | 235,700
Number of Options, Vested | (207,044) | (173,824) | (145,298)
Number of Options, Forfeited | (5,400) | (6,625) | (25,650)
Shares, Outstanding at end of year | 679,785 | 558,929 | 485,978
Weighted Average Exercise Price, Outstanding at beginning of year | $ 23.86 | $ 24.46 | $ 25.16
Weighted Average Exercise Price, Granted | $ 28.50 | $ 23.53 | $ 24.21
Weighted Average Exercise Price, Vested | $ 23.83 | $ 25.05 | $ 25.86
Weighted Average Exercise Price, Forfeited | $ 23.95 | $ 24.26 | $ 25.62
Weighted Average Exercise Price, Outstanding at end of year | $ 26.14 | $ 23.86 | $ 24.46
Weighted Average Fair Value, Outstanding at beginning of year | $ 4.23 | $ 4.70 | $ 4.94
Weighted Average Fair Value, Granted | $ 2.77 | $ 3.68 | $ 4.51
Weighted Average Fair Value, Vested | $ 4.42 | $ 4.73 | $ 5.05
Weighted Average Fair Value, Forfeited | $ 4.28 | $ 4.60 | $ 4.91
Weighted Average Fair Value, Outstanding at end of the year | $ 3.46 | $ 4.23 | $ 4.70

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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- Definition Number of options vested. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of options vested. + References No definition available. + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the non-vested stock option plan. + References No definition available. + Details
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