OTHER COMPREHENSIVE INCOME (Amounts Reclassified from Accumulated Other Comprehensive Income to Earnings) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 149.3	$ 136.0	$ 130.2
Other nonoperating expense	10.7	(17.5)	9.2
Benefit from income taxes	200.1	155.8	135.2
Total	670.8	584.5	617.7
Reclassification From AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	15.2	24.7	1.4
Amortization of Interest Rate Hedges Losses [Member] | Reclassification From AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	2.0	2.3	0.3
Benefit from income taxes	(0.5)	(0.6)	(0.1)
Total	1.5	1.7	0.2
Amortization of Pension and Postretirement Plan Actuarial Loss and Prior Service Cost [Member] | Reclassification From AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other nonoperating expense	18.5	31.2	1.6
Benefit from income taxes	(4.8)	(8.2)	(0.4)
Total	$ 13.7	$ 23.0	$ 1.2