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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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Share-Based Compensation Arrangement By Share-Based Payment Award, Vesting Price, Consecutive Trading Days

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STOCK-BASED COMPENSATION - Schedule of Range of Assumptions Used to Estimate the Fair Value of Performance Based Restricted Stock (Details) - $ / shares		12 Months Ended
	Mar. 01, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility			40.40%	36.90%
Risk-free interest rate			2.40%	1.70%
Award vesting period (years)		3 years
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility		41.10%
Risk-free interest rate		2.10%
Weighted-average grant date fair value per share (in dollars per share)		$ 46.26	$ 49.94	$ 76.30
Period over which vesting price is determined		20 days
Award vesting period (years)	3 years
Restricted Stock Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)		0 years
Vesting price (in dollars per share)		$ 45.90
Weighted-average grant date fair value per share (in dollars per share)		$ 39.60
Award vesting period (years)		1 year
Restricted Stock Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)		6 months
Vesting price (in dollars per share)		$ 58.60
Weighted-average grant date fair value per share (in dollars per share)		$ 48.75
Award vesting period (years)		3 years
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value per share (in dollars per share)		$ 0	$ 61.97	$ 60.24
Award vesting period (years)		3 years
Restricted Stock Awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)			8 months 12 days	7 months 6 days
Vesting price (in dollars per share)			$ 91.10	$ 82.50
Weighted-average grant date fair value per share (in dollars per share)			$ 48.14	$ 44.96
Restricted Stock Awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)			10 months 24 days	10 months 24 days
Vesting price (in dollars per share)			$ 99.10	$ 91.75
Weighted-average grant date fair value per share (in dollars per share)			$ 52.81	$ 51.31