OTHER COMPREHENSIVE INCOME (Amounts Reclassified from Accumulated Other Comprehensive Income to Earnings) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ (38.7)	$ (41.7)	$ (74.7)	$ (74.8)
Other nonoperating expense	(4.7)	8.3	(3.0)	14.2
Benefit from income taxes	63.7	57.3	82.4	118.0
Total	187.3	195.3	279.1	356.0
Reclassification From AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	1.1	1.6	2.2	3.2
Amortization Of Cash Flow Hedge Losses [Member] | Reclassification From AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	0.5	0.5	1.0	1.0
Benefit from income taxes	(0.1)	(0.1)	(0.3)	(0.3)
Total	0.4	0.4	0.7	0.7
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	1.0	1.7	2.0	3.3
Benefit from income taxes	(0.3)	(0.5)	(0.5)	(0.8)
Total	$ 0.7	$ 1.2	$ 1.5	$ 2.5