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STOCK-BASED COMPENSATION (Detail Textuals 1) (Stock Options, USD $) | 9 Months Ended
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Sep. 30, 2012
Stock Options |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Total intrinsic value of stock options exercised | $ 5,048,000
Tax benefits associated with the exercise of non-qualified stock options | $ 431,000

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- Definition Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11283-113907 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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