OTHER COMPREHENSIVE INCOME (Amounts Reclassified from Accumulated Other Comprehensive Income to Earnings) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ (49.0)	$ (35.9)
Other nonoperating expense	1.4	1.5
Benefit from income taxes	16.6	18.7
Total	120.7	91.8
Reclassification From AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	1.7	1.1
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
Benefit from income taxes	(0.1)	(0.1)
Total	0.4	0.4
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	1.7	1.0
Benefit from income taxes	(0.4)	(0.3)
Total	$ 1.3	$ 0.7