STOCK-BASED COMPENSATION - Plans (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($) plan	Mar. 31, 2021 USD ($)
STOCK-BASED COMPENSATION
Stock-based compensation plans \| plan	2
Compensation expense on share-based plans	$ 16.3	$ 18.4
Excess tax benefit realized for tax deductions from non-qualified stock option exercises and disqualifying dispositions of incentive stock options	$ 0.4	$ 1.4

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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