INCOME TAXES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Valuation Allowance [Line Items]
Effective Income Tax Rate Reconciliation, Repatriation Foreign Earnings, Jobs Creation Act of 2004, Percent		$ 45.0	$ 519.0
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 1.6	10.2	16.9
Undistributed Earnings of Foreign Subsidiaries				$ 601.4	$ 490.1
Foreign Earnings Repatriated		14.8
Tax Cuts and Jobs Act, Change in Tax Rate, Deferred Tax Asset, Income Tax Expense		30.1
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	30.0	5.9	2.0
Net tax impact of TCJA		474.0
Net tax impact of GILTI	11.8	13.0
Income Tax Examination, Penalties and Interest Expense	0.2
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	0.0	3.4	11.5
Accrued Tax Interest Added from Acquisition				0.8
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	11.5	0.0
Pre-tax income [Abstract]
Domestic	784.4	937.7	838.8
Foreign	320.5	330.6	238.7
Total pre-tax income	1,104.9	1,268.3	1,077.5
Current:
Federal	126.7	225.8	300.8
State	40.2	61.2	32.9
Foreign	83.9	64.3	53.0
Total current income taxes	250.8	351.3	386.7
Deferred Federal Income Tax Expense (Benefit)	38.2	(2.5)	(547.8)
Deferred:
Federal	3.9		(110.7)
State	2.5	30.0	11.4
Foreign	(11.5)	5.6	(5.7)
Deferred Income Tax Expense (Benefit)	29.2	33.1	(542.1)
Total income tax provision	280.0	$ 384.4	$ (155.4)
Deferred Tax Assets, Operating Loss Carryforwards, State and Local				594.1
Operating Loss Carryforwards, Valuation Allowance				311.4
Federal and State Attribute Carryforwards				252.5
Federal and State Attribute Carryforward Valuation Allowance	$ 209.6
Federal statutory tax rate reconciliation [Abstract]
Statutory U.S. rate	21.00%	21.00%	35.00%
State and local income taxes, net of U.S. Federal income tax effect	3.20%	3.40%	2.60%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	(0.10%)	(0.30%)	(3.70%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Percent	0.70%	1.90%	0.60%
Effective Income Tax Rate Reconciliation, Deduction, Percent	(0.10%)	(0.80%)	(1.60%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0.00%	2.40%	(36.90%)
Effective Income Tax Rate Reconciliation, Repatriation Foreign Earnings, Jobs Creation Act of 2004, Percent	0.00%	0.00%	(16.60%)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent	0.00%	1.20%	5.30%
Effective Income Tax Rate Reconciliation, GILTI Impact, Percent	0.011	0.010	0
Other	(0.50%)	0.50%	0.90%
Effective rate	25.30%	30.30%	(14.40%)
Deferred tax assets:
Accounts receivable				16.9	13.9
Employee compensation and benefits				105.1	104.4
Deferred Tax Asset, Right Of Use Asset				191.4	0.0
Acquisition and restructuring reserves				9.9	16.8
Tax loss carryforwards				207.1	209.0
Deferred Tax Assets, Other				62.9	34.5
Total deferred tax assets				593.3	378.6
Less: valuation allowance				(145.4)	(156.9)	$ (153.5)	$ (31.3)
Deferred tax assets, net of valuation allowance				447.9	221.7
Deferred tax liabilities:
Deferred Tax Liabilities, Leasing Arrangements				(177.3)	0.0
Intangible assets				(910.5)	(891.8)
Property, plant and equipment				(194.6)	(182.8)
Deferred Tax Liabilities, Other				(57.4)	(31.4)
Total gross deferred tax liabilities				(891.9)	(884.3)
Deferred Tax Liabilities, Gross				(1,339.8)	(1,106.0)
Foreign tax loss carryovers				116.9
Foreign Tax Loss Carryover with Valuation Allowance	$ 26.7
Foreign Tax Loss Carryovers Expire in 2034				443.8
Deferred Tax Assets, Capital Loss Carryforwards				6.9
Federal tax loss carryovers				209.5
Federal Tax Loss Carryforwards Indefinite				6.1
Gross unrecognized income tax benefits	18.0	$ 19.5	$ 19.5	31.7	18.0	$ 19.5	$ 18.4
Accrued interest and penalties related to unrecognized income tax benefits				5.5	8.7
Income Tax Examination, Penalties Expense	2.0	1.8	2.3
Reversal of Accrued Income Tax Penalties And Interest	5.8	0.5	4.3
Reconciliation of unrecognized tax benefits [Roll Forward]
Balance as of January 1	18.0	19.5	18.4
Increase in reserve for tax positions taken in the current year	10.3	3.1	7.3
Unrecognized Tax Benefits Increase in Reserve From Acquisition	8.4	0.0	0.0
Decrease in reserve as a result of payments	(0.8)	(4.6)	0.0
Decrease in reserve as a result of lapses in the statute of limitations	(4.2)	0.0	(6.2)
Balance as of December 31	$ 31.7	$ 18.0	$ 19.5
Unrecognized income tax benefits that would impact effective tax rate				$ 31.7	$ 18.0