SHAREHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended						9 Months Ended
	Feb. 29, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Equity [Abstract]
Dividends paid on common stock per share (in dollars per share)		$ 1.34	$ 1.34	$ 1.34	$ 1.13	$ 1.13	$ 1.13	$ 1.34	$ 1.13
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options exercised (in shares)								796,531
Stock options, weighted average price (in dollars per share)		$ 170.86						$ 170.86
Treasury stock issued	$ 57.4			$ 57.4
Treasury stock reissued (in shares)	100,000
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units vested (in shares)								128,436