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STOCK PLANS (Summary of Stock Options by Exercise Price Range) (Details) - Stock options | 12 Months Ended
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Dec. 31, 2017 $ / shares shares
Information about awards outstanding |
Weighted Average Remaining Life (in years) | 6 years 2 months 12 days
Outstanding |
Options Outstanding, Number of Stock Options (in shares) | shares | 1,362,448
Exercisable |
Options Exercisable, Number of Stock Options (in shares) | shares | 952,889
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 5 years 2 months 12 days
Exercise Price Range 1 |
Information about awards outstanding |
Exercise price, high end of range (in dollars per share) | $ 49.99
Weighted Average Remaining Life (in years) | 3 years 10 months 25 days
Outstanding |
Options Outstanding, Number of Stock Options (in shares) | shares | 508,257
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 38.79
Exercisable |
Options Exercisable, Number of Stock Options (in shares) | shares | 508,257
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 38.79
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 3 years 10 months 25 days
Exercise Price Range 2 |
Information about awards outstanding |
Exercise price, low end of range (in dollars per share) | $ 50.00
Exercise price, high end of range (in dollars per share) | $ 59.99
Weighted Average Remaining Life (in years) | 8 years 1 month 6 days
Outstanding |
Options Outstanding, Number of Stock Options (in shares) | shares | 224,894
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 58.11
Exercisable |
Options Exercisable, Number of Stock Options (in shares) | shares | 75,615
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 58.07
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 8 years 1 month 6 days
Exercise Price Range 3 |
Information about awards outstanding |
Exercise price, low end of range (in dollars per share) | $ 60.00
Weighted Average Remaining Life (in years) | 7 years 3 months 19 days
Outstanding |
Options Outstanding, Number of Stock Options (in shares) | shares | 629,297
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 74.45
Exercisable |
Options Exercisable, Number of Stock Options (in shares) | shares | 369,017
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 70.43
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 6 years 6 months

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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 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 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 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 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 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 Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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 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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