SHARE-BASED COMPENSATION (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2019	Dec. 31, 2018 shares	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, net of estimated forfeitures, for unvested share-based compensation awards outstanding | $	$ 60.2
Weighted average recognition period for unrecognized compensation expense, in years	1 year 3 months 18 days
Intrinsic value of stock options exercised | $	$ 75.5	$ 54.6	$ 147.9
Nonvested, intrinsic value | $	$ 78.0
Number of unissued shares of common stock each DSU represents right to receive (in shares)						1
Deferred stock units, outstanding (in shares)	59,000	58,000
2018 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for grant under share-based incentive plans (in shares)					7,500,000
Shares available for grant under share-based incentive plans (in shares)	6,100,000
Stock options and stock appreciation rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ratio of shares issued under share-based awards to shares authorized under stock plans					1
Awards other than stock options and stock appreciation rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ratio of shares issued under share-based awards to shares authorized under stock plans					2.4
Stock options granted to employees with ratable vesting | Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				5 years
Stock options granted to employees with ratable vesting | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				4 years
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional vesting period				2 years
Contractual term				10 years
Award vesting rights, percentage (percent)				25.00%
Fair value of options vested during period | $	$ 22.5	$ 20.4	17.3
Restricted stock units granted to employees with ratable vesting | Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				5 years
Restricted stock units granted to employees with ratable vesting | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				4 years
Restricted stock units granted to employees with ratable vesting | Share-based Compensation Award, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional vesting period				2 years
Award vesting rights, percentage (percent)				25.00%
Fair value of awards vested during period | $	$ 31.1	$ 32.9	$ 46.1
Vested (in shares)	62,000
Deferred stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred stock units, outstanding (in shares)	59,000	58,000
Vested (in shares)	300,000
1997 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for grant under share-based incentive plans (in shares)	4,700,000
Shares available for grant under share-based incentive plans (in shares)	1,000,000
Discount from market value for employee stock purchase rights (percent)	15.00%
Common stock issued in connection with the employee stock purchase plan (in shares)	36,300	44,600	29,500