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STOCK-BASED COMPENSATION PLANS, Summary of Stock Options Outstanding (Details) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($) $ / shares shares
Options [Abstract] |
Options outstanding, shares (in shares) | shares | 1,755,992
Options outstanding, weighted-average exercise price (in dollars per share) | $ 30.85
Options outstanding, weighted-average remaining life | 6 years 3 months 11 days
Options exercisable, shares (in shares) | shares | 959,638
Options exercisable, weighted-average exercise price (in dollars per share) | $ 26.94
Weighted-average remaining contractual term of outstanding stock options | 6 years 3 months 11 days
Weighted-average remaining contractual term of outstanding and exercisable stock options | 4 years 10 months 20 days
Aggregate intrinsic value of outstanding stock options | $ | $ 54.3
Aggregate intrinsic value of exercisable stock options | $ | $ 33.4
$0.00 - $18.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price range, lower range limit (in dollars per share) | $ 0
Exercise price range, upper range limit (in dollars per share) | $ 18.00
Options [Abstract] |
Options outstanding, shares (in shares) | shares | 44,436
Options outstanding, weighted-average exercise price (in dollars per share) | $ 17.70
Options outstanding, weighted-average remaining life | 2 years 2 months 19 days
Options exercisable, shares (in shares) | shares | 44,436
Options exercisable, weighted-average exercise price (in dollars per share) | $ 17.70
$18.001 - $23.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price range, lower range limit (in dollars per share) | 18.001
Exercise price range, upper range limit (in dollars per share) | $ 23.00
Options [Abstract] |
Options outstanding, shares (in shares) | shares | 267,307
Options outstanding, weighted-average exercise price (in dollars per share) | $ 19.06
Options outstanding, weighted-average remaining life | 1 year 11 months 19 days
Options exercisable, shares (in shares) | shares | 267,307
Options exercisable, weighted-average exercise price (in dollars per share) | $ 19.06
$23.001 - $28.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price range, lower range limit (in dollars per share) | 23.001
Exercise price range, upper range limit (in dollars per share) | $ 28.00
Options [Abstract] |
Options outstanding, shares (in shares) | shares | 159,662
Options outstanding, weighted-average exercise price (in dollars per share) | $ 26.28
Options outstanding, weighted-average remaining life | 5 years 6 months 14 days
Options exercisable, shares (in shares) | shares | 159,536
Options exercisable, weighted-average exercise price (in dollars per share) | $ 26.28
$28.001 - $29.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price range, lower range limit (in dollars per share) | 28.001
Exercise price range, upper range limit (in dollars per share) | $ 29.00
Options [Abstract] |
Options outstanding, shares (in shares) | shares | 203,365
Options outstanding, weighted-average exercise price (in dollars per share) | $ 28.78
Options outstanding, weighted-average remaining life | 5 years 2 months 19 days
Options exercisable, shares (in shares) | shares | 153,369
Options exercisable, weighted-average exercise price (in dollars per share) | $ 28.78
$29.001 - $30.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price range, lower range limit (in dollars per share) | 29.001
Exercise price range, upper range limit (in dollars per share) | $ 30.00
Options [Abstract] |
Options outstanding, shares (in shares) | shares | 254,826
Options outstanding, weighted-average exercise price (in dollars per share) | $ 29.79
Options outstanding, weighted-average remaining life | 6 years 2 months 16 days
Options exercisable, shares (in shares) | shares | 144,226
Options exercisable, weighted-average exercise price (in dollars per share) | $ 29.79
$30.001 - $40.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price range, lower range limit (in dollars per share) | 30.001
Exercise price range, upper range limit (in dollars per share) | $ 40.00
Options [Abstract] |
Options outstanding, shares (in shares) | shares | 826,396
Options outstanding, weighted-average exercise price (in dollars per share) | $ 37.08
Options outstanding, weighted-average remaining life | 8 years 3 months 22 days
Options exercisable, shares (in shares) | shares | 190,764
Options exercisable, weighted-average exercise price (in dollars per share) | $ 37.06

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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options 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 -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 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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