Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (45.7)	$ (53.2)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization of fixed assets and intangible assets	34.6	35.6
Provision for uncollectible receivables	6.7	3.5
Amortization of restricted stock and other non-cash compensation	16.7	15.7
Net amortization of bond premiums and deferred financing costs	(1.7)	(1.9)
Deferred income tax benefit	(51.5)	(53.0)
Other	10.4	10.2
Changes in assets and liabilities, net of acquisitions and dispositions, providing (using) cash:
Accounts receivable	742.3	369.4
Expenditures billable to clients	(193.7)	(123.2)
Other current assets	(34.1)	(28.6)
Accounts payable	(808.4)	(733.6)
Accrued liabilities	(150.9)	(219.8)
Other non-current assets and liabilities	(23.2)	(22.8)
Net cash used in operating activities	(498.5)	(801.7)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(22.4)	(16.9)
Proceeds from sales of businesses and investments, net of cash sold	1.2	2.4
Acquisitions, including deferred payments, net of cash acquired	(2.1)	(2.1)
Other investing activities	2.0	(0.2)
Net cash used in investing activities	(21.3)	(16.8)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of long-term debt	(400.1)	(0.8)
Proceeds from issuance of 4.00% Senior Notes due 2022	246.8	0
Repurchase of common stock	(52.5)	(10.5)
Common stock dividends	(26.2)	(28.5)
Exercise of stock options	4.9	8.4
Net increase (decrease) in short term bank borrowings	3.8	(5.0)
Preferred stock dividends	(2.9)	(2.9)
Distributions to noncontrolling interests	(1.8)	(3.1)
Other financing activities	(1.0)	(3.0)
Net cash used in financing activities	(229.0)	(45.4)
Effect of foreign exchange rate changes on cash and cash equivalents	19.2	28.4
Net decrease in cash and cash equivalents	(729.6)	(835.5)
Cash and cash equivalents at beginning of period	2,302.7	2,675.7
Cash and cash equivalents at end of period	$ 1,573.1	$ 1,840.2