CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities
Net income	$ 729.2	$ 764.6
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	84.8	68.6
Stock-based compensation expense	66.5	59.9
Deferred income taxes	19.7	43.7
Excess tax benefits from stock-based compensation plans	$ (44.5)	(54.5)
ICRA Gain		(102.8)
Legacy Tax Matters	$ (6.4)	(6.4)
Changes in assets and liabilities:
Accounts receivable	61.0	(11.9)
Other current assets	4.9	(63.3)
Other assets	(6.6)	(4.8)
Accounts payable and accrued liabilities	(35.7)	(16.3)
Deferred revenue	10.6	25.8
Unrecognized tax benefits and other non-current tax liabilities	(9.9)	18.5
Other liabilities	19.9	(11.3)
Net cash provided by operating activities	893.5	709.8
Cash flows from investing activities
Capital additions	(65.9)	(56.8)
Purchases of short-term investments	(480.4)	(68.0)
Sales and maturities of short-term investments	448.6	90.7
Cash paid for acquisitions, net of cash required	(4.6)	$ (210.5)
Settlement of net investment hedges	20.8
Net cash used in investing activities	(81.5)	$ (244.6)
Cash flows from financing activities
Issuance of notes	$ 552.8	747.7
Repayments of notes		(300.0)
Proceeds from stock-based compensation plans	$ 72.1	134.6
Repurchase of shares for payroll tax withholdings related to stock-based compensation	(59.3)	(51.3)
Cost of treasury shares repurchased	(905.6)	(780.2)
Excess tax benefits from settlement of stock-based compensation plans	44.5	54.5
Payment of dividends	(205.0)	(178.2)
Payment of dividends to noncontrolling interests	(4.6)	(9.7)
Contingent consideration paid	(1.5)	(4.3)
Debt issuance costs and related fees	(5.9)	(6.5)
Net cash provided by (used in) financing activities	(512.5)	(393.4)
Effect of exchange rate changes on cash and cash equivalents	(47.9)	(50.5)
Net increase/(decrease) in cash and cash equivalents	251.6	21.3
Cash and cash equivalents, beginning of the period	1,219.5	1,919.5
Cash and cash equivalents, end of the period	$ 1,471.1	$ 1,940.8