INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2015

Provision for Income Taxes

			Year Ended December 31,
			2015		2014		2013
Current:
	Federal		$	278.2	$	252.8	$	226.2
	State and Local			40.1		70.2		57.6
	Non-U.S.			93.6		102.1		96.8
		Total current		411.9		425.1		380.6
Deferred:
	Federal			14.7		0.9		(13.1)
	State and Local			7.6		4.9		(5.6)
	Non-U.S.			(4.2)		24.1		(8.5)
		Total deferred		18.1		29.9		(27.2)
Total provision for income taxes			$	430.0	$	455.0	$	353.4

Reconciliation of United States Federal Statutory Tax Rate to Effective Tax Rate on Income before Provision for Income Taxes

	Year Ended December 31,
	2015		2014		2013
U.S. statutory tax rate		35.0%		35.0%		35.0%
State and local taxes, net of federal tax benefit		3.0		3.6		2.9
Benefit of foreign operations		(5.8)		(7.4)		(6.4)
Legacy tax items		(0.2)		(0.2)		(0.6)
Other		(0.8)		0.1		(0.7)
Effective tax rate		31.2%		31.1%		30.2%
Income tax paid	$	397.4	$	369.4	$	335.7

Source of Income before Provision for Income Taxes

	Year Ended December 31,
	2015		2014		2013
United States	$	913.9	$	912.6	$	$836.10
International		465.7		548.4		333.2
Income before provision for income taxes	$	1,379.6	$	1,461.0	$	$1,169.30

Components of Deferred Tax Assets and Liabilities

				December 31,
				2015		2014
Deferred tax assets:
	Current:
		Account receivable allowances		$	6.6		7.7
		Accrued compensation and benefits			12.5		14.6
		Deferred revenue			8.0		6.7
		Legal and professional fees			10.7		10.4
		Restructuring			1.2		2.3
		Other			3.0		3.5
			Total current		42.0		45.2
	Non-current:
		Accumulated depreciation and amortization			0.9		0.9
		Stock-based compensation			56.1		62.3
		Benefit plans			101.6		108.7
		Deferred rent and construction allowance			28.5		30.5
		Deferred revenue			35.8		34.2
		Foreign net operating loss (1)			3.7		7.5
		Uncertain tax positions			38.2		38.3
		Self-insured related reserves			22.7		14.9
		Other			4.4		5.6
			Total non-current		291.9		302.9
Total deferred tax assets					333.9		348.1
Deferred tax liabilities:
	Current:
		Compensation and benefits			(3.0)		(3.0)
		Unrealized gain on net investment hedges - OCI			(24.2)		(14.0)
		Other			(1.5)		(1.1)
			Total Current		(28.7)		(18.1)
	Non-current:
		Accumulated depreciation and amortization of intangible assets and capitalized software			(203.0)		(204.3)
		Foreign earnings to be repatriated			(2.9)		(3.4)
		Self-insured related income			(22.7)		(16.9)
		Other liabilities			(5.8)		(0.1)
			Total non-current		(234.4)		(224.7)
Total deferred tax liabilities					(263.1)		(242.8)
Net deferred tax asset					70.8		105.3
Valuation allowance					(4.3)		(6.9)
Total net deferred tax assets				$	66.5	$	98.4
(1) Amounts are primarily set to expire beginning in 2018, if unused.

Reconciliation of Uncertain Tax Positions

	Year Ended December 31,
	2015		2014		2013
Balance as of January 1	$	220.3	$	195.6	$	156.6
Additions for tax positions related to the current year		24.1		52.5		67.8
Additions for tax positions of prior years		14.0		8.7		6.1
Reductions for tax positions of prior years		(41.6)		(31.4)		(10.1)
Settlements with taxing authorities		(7.8)		(1.8)		(21.4)
Lapse of statute of limitations		(5.6)		(3.3)		(3.4)
Balance as of December 31	$	203.4	$	220.3	$	195.6