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STOCK-BASED COMPENSATION (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 Y
Stock options outstanding and stock options exercisable |
Stock options outstanding (in shares) | 14,000
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 4.1
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 12.12
Options Exercisable (in shares) | 11,043
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 8.29
Range of Exercise Prices $0.27 - $2.09 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 0.27
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 2.09
Stock options outstanding (in shares) | 1,011
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 0.5
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 0.34
Options Exercisable (in shares) | 1,011
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 0.34
Range of Exercise Prices $3.29 - $3.29 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 3.39
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 3.29
Stock options outstanding (in shares) | 4,400
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 2.2
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 3.29
Options Exercisable (in shares) | 4,400
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 3.29
Range of Exercise Prices $5.72 - $6.21 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 5.72
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 6.21
Stock options outstanding (in shares) | 27
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 2.8
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 6.13
Options Exercisable (in shares) | 27
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 6.13
Range of Exercise Prices $8.44 - $8.44 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 8.44
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 8.44
Stock options outstanding (in shares) | 2,458
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 2.9
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 8.44
Options Exercisable (in shares) | 2,458
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 8.44
Range of Exercise Prices $11.36 - $15.60 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 11.36
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 15.60
Stock options outstanding (in shares) | 203
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 5.8
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 13.47
Options Exercisable (in shares) | 129
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 13.40
Range of Exercise Prices $15.86 - $15.86 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 15.86
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 15.86
Stock options outstanding (in shares) | 2,090
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 5.4
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 15.86
Options Exercisable (in shares) | 1,543
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 15.86
Range of Exercise Prices $15.94 - $17.44 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 15.94
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 17.44
Stock options outstanding (in shares) | 146
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 5.8
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 16.78
Options Exercisable (in shares) | 46
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 16.55
Range of Exercise Prices $17.82- $17.82 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 17.82
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 17.82
Stock options outstanding (in shares) | 1,517
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 6.9
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 17.82
Options Exercisable (in shares) | 835
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 17.82
Range of Exercise Prices $18.07 - $28.98 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 18.07
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 28.98
Stock options outstanding (in shares) | 1,416
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 7.0
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 22.17
Options Exercisable (in shares) | 543
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 21.94
Range of Exercise Prices $32.56 - $74.78 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of range (in dollars per share) | $ 32.56
Stock options, range of exercise prices, high end of range (in dollars per share) | $ 74.78
Stock options outstanding (in shares) | 732
Options Outstanding, Weighted Average Remaining Contractual Term (in years) | 9.2
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 50.90
Options Exercisable (in shares) | 51
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 39.49

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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(c) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a, b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average period remaining as of the balance sheet date until option expiration pertaining to the outstanding stock options for all option plans in the customized range of exercise prices, which may be expressed in a variety of ways (for example, years, months). + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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