Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 131.7	$ 128.9
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	90.0	82.3
Provision for uncollectible receivables	6.1	8.6
Amortization of restricted stock and other non-cash compensation	46.0	46.0
Net amortization of bond discounts and deferred financing costs	2.7	2.8
Deferred income tax (benefit) provision	(31.0)	9.5
Net losses on sales of businesses	44.2	12.2
Other	1.9	10.2
Changes in assets and liabilities, net of acquisitions and divestitures, providing (using) cash:
Accounts receivable	238.0	769.7
Accounts receivable, billable to clients	(233.7)	(165.5)
Other current assets	(124.6)	(84.5)
Accounts payable	(579.3)	(651.3)
Accrued liabilities	(175.9)	(313.9)
Contract liabilities	38.0	6.9
Other non-current assets and liabilities	(11.8)	(15.0)
Net cash used in operating activities	(557.7)	(153.1)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(61.5)	(68.9)
Acquisitions, net of cash acquired	(8.5)	(12.6)
Other investing activities	12.4	(14.5)
Net cash used in investing activities	(57.6)	(96.0)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in short-term borrowings	669.3	153.5
Exercise of stock options	7.0	11.8
Common stock dividends	(161.2)	(141.4)
Repurchase of common stock	(114.5)	(115.0)
Tax payments for employee shares withheld	(28.0)	(37.8)
Acquisition-related payments	(16.0)	(36.3)
Distributions to noncontrolling interests	(10.6)	(10.9)
Repayment of long-term debt	(4.7)	(23.6)
Other financing activities	(0.3)	0.3
Net cash provided by (used in) financing activities	341.0	(199.4)
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(27.5)	8.2
Net decrease in cash, cash equivalents and restricted cash	(301.8)	(440.3)
Cash, cash equivalents, and restricted cash at beginning of period	797.7	1,100.2
Cash, cash equivalents, and restricted cash at end of period	$ 495.9	$ 659.9

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