Performance Awards Earned

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Shares To Be Earned

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Target Number Of Shares

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

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- Definition

Amount of cash inflow from exercise of option under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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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.

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-Publisher FASB
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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Section 50
-Paragraph 2
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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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STOCK-BASED COMPENSATION (Narrative - Stock Options) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
STOCK-BASED COMPENSATION
Proceeds from Stock Options Exercised	$ 8.7
Share-based Payment Arrangement, Exercise of Option, Tax Benefit	$ 11.9
Weighted average fair value (in dollars per share)	$ 167.10	$ 150.55	$ 105.15
Fair Value of Options Vested	$ 6.9	$ 11.4	$ 4.1
Minimum
STOCK-BASED COMPENSATION
Return performance, percent of target stock price		70.00%	70.00%
Performance measurement period ending September 30, 2022 \| Minimum
STOCK-BASED COMPENSATION
Return performance, percent of target stock price		70.00%
Performance measurement period ending March 31, 2022 \| Minimum
STOCK-BASED COMPENSATION
Return performance, percent of target stock price		41.00%
Performance Options
STOCK-BASED COMPENSATION
Unrecognized compensation cost	$ 40.5
Weighted-average period for recognition of unrecognized compensation cost	2 years 9 months 18 days
Weighted average fair value (in dollars per share)	$ 230.81	$ 296.80	$ 142.45
Performance Awards Earned	481,669
Return performance, percent of target stock price	81.00%		110.00%
Maximum number of shares for earned (in shares)	27,132		672,499
Performance Options \| Minimum
STOCK-BASED COMPENSATION
Return performance, percent of target stock price	41.00%
Performance Options \| Performance measurement period ending September 30, 2022
STOCK-BASED COMPENSATION
Return performance, percent of target stock price		110.00%
Maximum number of shares for earned (in shares)		52,332
Performance Options \| Performance measurement period ending March 31, 2022
STOCK-BASED COMPENSATION
Return performance, percent of target stock price		81.00%
Maximum number of shares for earned (in shares)		21,982
Stock Options, One
STOCK-BASED COMPENSATION
Unrecognized compensation cost	$ 10.5
Weighted-average period for recognition of unrecognized compensation cost	2 years 2 months 12 days
Intrinsic value of stock options exercised	$ 50.2	$ 268.3	$ 27.7
Stock Options, One \| one year from the grant date
STOCK-BASED COMPENSATION
Vesting period	1 year
Stock Options, One \| two years from the grant date
STOCK-BASED COMPENSATION
Vesting period	2 years
Vesting percentage	50.00%
Stock Options, One \| three years from the grant date
STOCK-BASED COMPENSATION
Vesting period	3 years
Vesting percentage	33.00%
Stock Options, One \| five and a half years
STOCK-BASED COMPENSATION
Vesting period	5 years 6 months
Stock Options, Two
STOCK-BASED COMPENSATION
Weighted average fair value (in dollars per share)			$ 152.45
Stock Options, Two \| Minimum
STOCK-BASED COMPENSATION
Vesting period			1 year 2 months 12 days
Stock Options, Two \| Maximum
STOCK-BASED COMPENSATION
Vesting period			2 years 2 months 12 days