INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2021

Dec. 31, 2020

Valuation Allowance [Line Items]

Summary of Valuation Allowance [Table Text Block]

The table below provides a rollforward of the valuation allowance.

	December 31, 2021		December 31, 2020		December 31, 2019
Beginning balance	$	167.6	$	145.4	$	156.9
Additions charged to expense	6.8		5.8		—
Reductions and other adjustments	(25.2)		16.4		(11.5)
Ending balance	$	149.2	$	167.6	$	145.4

Schedule of Income before Income Tax, Domestic and Foreign

The sources of income before taxes, classified between domestic and foreign entities are as follows:

	2021		2020		2019
Domestic	$	2,580.6	$	1,846.5	$	784.4
Foreign	546.0		372.5		320.5
Total pre-tax income	$	3,126.6	$	2,219.1	$	1,104.9

Provision for Income Tax Expense (Benefit)

The provisions (benefits) for income taxes in the accompanying consolidated statements of operations consist of the following:

	Years Ended December 31,
	2021		2020		2019
Current:
Federal	$	545.5	$	455.3	$	126.7
State	171.9		172.8		40.2
Foreign	107.7		81.0		83.9
	$	825.1	$	709.1	$	250.8
Deferred:
Federal	$	(64.6)	$	(6.7)	$	38.2
State	(13.7)		(28.1)		2.5
Foreign	0.3		(12.2)		(11.5)
	(78.0)		(47.0)		29.2
	$	747.1	$	662.1	$	280.0

Schedule of Effective Income Tax Rate Reconciliation

The effective tax rates on earnings before income taxes are reconciled to statutory U.S. income tax rates as follows:

	Years Ended December 31,
	2021		2020		2019
Statutory U.S. rate	21.0	%	21.0	%	21.0	%
State and local income taxes, net of U.S. Federal income tax effect	3.9		5.3		3.2
Foreign earnings taxed at lower rates than the statutory U.S. rate	(0.5)		(0.4)		(0.1)
Restructuring and acquisition items	—		—		0.7
Impairment of assets	—		4.0		—
GILTI	—		(0.1)		1.1
Other	(0.5)		—		(0.6)
Effective rate	23.9	%	29.8	%	25.3	%

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are as follows:

	December 31, 2021		December 31, 2020
Deferred tax assets:
Accounts receivable	$	22.3	$	20.0
Employee compensation and benefits	145.2		115.6
Operating lease liability	176.3		187.6
Acquisition and restructuring reserves	19.1		22.6
Tax loss carryforwards	184.5		206.8
Other	92.7		126.8
	640.1		679.4
Less: valuation allowance	(149.2)		(167.6)
Deferred tax assets, net of valuation allowance	$	490.9	$	511.8
Deferred tax liabilities:
Right of use asset	$	(166.9)	$	(179.5)
Intangible assets	(823.8)		(835.5)
Property, plant and equipment	(143.9)		(203.9)
Other	(47.6)		(46.3)
Total gross deferred tax liabilities	(1,182.2)		(1,265.2)
Net deferred tax liabilities	$	(691.3)	$	(753.4)

Reconciliation of Unrecognized Tax Benefits from Uncertain Tax Positions

The following table shows a reconciliation of the unrecognized income tax benefits, excluding interest and penalties, from uncertain tax positions for the years ended December 31, 2021, 2020 and 2019:

	2021		2020		2019
Balance as of January 1	$	48.8	$	31.7	$	18.0
Increase in reserve for tax positions taken in the current year	31.1		17.3		10.3
Increase in reserve from an acquisition's opening balance sheet	—		8.2		8.4
Decrease in reserve as a result of payments	(7.1)		(0.3)		(0.8)
Decrease in reserve as a result of lapses in the statute of limitations	(20.4)		(8.1)		(4.2)
Balance as of December 31	$	52.4	$	48.8	$	31.7