10-Q

____________________________________________________________________________________________________

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________________

FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2015

_________________________

Commission File Number: 1-10551

OMNICOM GROUP INC.

(Exact name of registrant as specified in its charter)

New York	13-1514814
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
437 Madison Avenue, New York, New York	10022
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (212) 415-3600

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

__________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes  þ No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes  þ No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer þ Accelerated filer o Non-accelerated filer o Smaller reporting company o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes  o No þ

_________________________

As of April 10, 2015, there were 244,312,135 shares of Omnicom Group Inc. Common Stock outstanding.

OMNICOM GROUP INC.

QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2015

TABLE OF CONTENTS

		Page
PART I.	FINANCIAL INFORMATION
Item 1.	Financial Statements
	Condensed Consolidated Balance Sheets - March 31, 2015 and December 31, 2014	1
	Condensed Consolidated Statements of Income - Three months ended March 31, 2015 and 2014	2
	Condensed Consolidated Statements of Comprehensive Income - Three months ended March 31, 2015 and 2014	3
	Condensed Consolidated Statements of Cash Flows - Three months ended March 31, 2015 and 2014	4
	Notes to Condensed Consolidated Financial Statements	5
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	13
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	22
Item 4.	Controls and Procedures	22
PART II.	OTHER INFORMATION
Item 1.	Legal Proceedings	23
Item 1A.	Risk Factors	23
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	23
Item 6.	Exhibits	23
SIGNATURES		24

FORWARD-LOOKING STATEMENTS

Certain statements in this Quarterly Report on Form 10-Q constitute forward-looking statements, including statements within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, from time to time, the Company or its representatives have made, or may make, forward-looking statements, orally or in writing. These statements may discuss goals, intentions and expectations as to future plans, trends, events, results of operations or financial condition, or otherwise, based on current beliefs of the Company’s management as well as assumptions made by, and information currently available to, the Company’s management. Forward-looking statements may be accompanied by words such as “aim,” “anticipate,” “believe,” “plan,” “could,” “would,” “should,” “estimate,” “expect,” “forecast,” “future,” “guidance,” “intend,” “may,” “will,” “possible,” “potential,” “predict,” “project” or similar words, phrases or expressions. These forward-looking statements are subject to various risks and uncertainties, many of which are outside the Company’s control. Therefore, you should not place undue reliance on such statements. Factors that could cause actual results to differ materially from those in the forward-looking statements include: international, national or local economic, social or political conditions that could adversely affect the Company or its clients; losses on media purchases and production costs incurred on behalf of clients; reductions in client spending, a slowdown in client payments and changes in client advertising, marketing and corporate communications requirements; failure to manage potential conflicts of interest between or among clients; unanticipated changes relating to competitive factors in the advertising, marketing and corporate communications industries; ability to hire and retain key personnel; ability to attract new clients and retain existing clients in the manner anticipated; reliance on information technology systems; changes in legislation or governmental regulations affecting the Company or its clients; conditions in the credit markets; risks associated with assumptions the Company makes in connection with its critical accounting estimates and legal proceedings; and the Company’s international operations, which are subject to the risks of currency fluctuation and currency repatriation restrictions. The foregoing list of factors is not exhaustive. You should carefully consider the foregoing factors and the other risks and uncertainties that may affect the Company’s business, including those described in Item 1A, “Risk Factors” and Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2014 and in Item 2 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in this report. Except as required under applicable law, the Company does not assume any obligation to update these forward-looking statements.

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

OMNICOM GROUP INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(In millions)

	March 31, 2015			December 31, 2014
	(Unaudited)
ASSETS
Current Assets:
Cash and cash equivalents	$	1,526.7		$	2,388.1
Short-term investments, at cost	5.7			2.2
Accounts receivable, net of allowance for doubtful accounts of $23.5 and $24.9	5,840.1			6,524.7
Work in process	1,410.3			1,166.6
Other current assets	1,122.1			1,108.9
Total Current Assets	9,904.9			11,190.5
Property and Equipment at cost, less accumulated depreciation of $1,212.0 and $1,221.2	681.5			708.0
Equity Method Investments	142.2			148.2
Goodwill	8,639.8			8,822.2
Intangible Assets, net of accumulated amortization of $620.4 and $611.4	367.2			389.4
Other Assets	335.4			301.4
TOTAL ASSETS	$	20,071.0		$	21,559.7
LIABILITIES AND EQUITY
Current Liabilities:
Accounts payable	$	7,850.2		$	8,797.5
Customer advances	1,153.3			1,180.9
Current portion of debt	0.3			0.4
Short-term borrowings	9.6			7.2
Taxes payable	226.5			301.1
Other current liabilities	1,781.3			1,774.0
Total Current Liabilities	11,021.2			12,061.1
Long-Term Notes Payable	4,593.8			4,562.6
Long-Term Liabilities	802.6			774.3
Long-Term Deferred Tax Liabilities	643.3			654.7
Commitments and Contingent Liabilities (See Note 11)
Temporary Equity - Redeemable Noncontrolling Interests	177.4			185.7
Equity:
Shareholders’ Equity:
Preferred stock	—			—
Common stock	59.6			59.6
Additional paid-in capital	852.0			818.6
Retained earnings	9,661.7			9,576.9
Accumulated other comprehensive income (loss)	(936.7		)	(618.2		)
Treasury stock, at cost	(7,247.1		)	(6,986.9		)
Total Shareholders’ Equity	2,389.5			2,850.0
Noncontrolling interests	443.2			471.3
Total Equity	2,832.7			3,321.3
TOTAL LIABILITIES AND EQUITY	$	20,071.0		$	21,559.7

The accompanying notes to the condensed consolidated financial statements are an integral part of these statements.

1

OMNICOM GROUP INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(In millions, except per share amounts)

(Unaudited)

	Three Months Ended March 31,
	2015			2014
Revenue	$	3,469.2		$	3,502.2
Operating Expenses	3,091.5			3,119.5
Operating Income	377.7			382.7
Interest Expense	43.6			47.7
Interest Income	9.4			8.7
Income Before Income Taxes and Income From Equity Method Investments	343.5			343.7
Income Tax Expense	112.7			116.3
Income (Loss) From Equity Method Investments	(1.0		)	0.6
Net Income	229.8			228.0
Net Income Attributed To Noncontrolling Interests	20.7			22.5
Net Income - Omnicom Group Inc.	$	209.1		$	205.5
Net Income Per Share - Omnicom Group Inc.:
Basic	$	0.84		$	0.78
Diluted	$	0.83		$	0.77
Dividends Declared Per Common Share	$	0.50		$	0.40

The accompanying notes to the condensed consolidated financial statements are an integral part of these statements.

2

OMNICOM GROUP INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In millions)

(Unaudited)

	Three Months Ended March 31,
	2015			2014
Net Income	$	229.8		$	228.0
Unrealized gain (loss) on cash flow hedge, net of income taxes of ($1.7) for the three months ended March 31, 2015	(2.5		)	—
Unrealized gain (loss) on available-for-sale securities, net of income taxes of $0.1 and $0.1 for the three months ended March 31, 2015 and 2014, respectively	0.2			0.1
Foreign currency translation adjustment, net of income taxes of ($175.8) and $15.6 for the three months ended March 31, 2015 and 2014, respectively	(341.3		)	30.2
Defined benefit pension and postemployment plans adjustment, net of income taxes of $1.5 and $0.9 for the three months ended March 31, 2015 and 2014, respectively	2.2			1.4
Other Comprehensive Income (Loss)	(341.4		)	31.7
Comprehensive Income (Loss)	(111.6		)	259.7
Comprehensive Income (Loss) Attributed to Noncontrolling Interests	(2.2		)	32.3
Comprehensive Income (Loss) - Omnicom Group Inc.	$	(109.4	)	$	227.4

The accompanying notes to the condensed consolidated financial statements are an integral part of these statements.

3

OMNICOM GROUP INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In millions)

(Unaudited)

	Three Months Ended March 31,
	2015			2014
Cash Flows from Operating Activities:
Net income	$	229.8		$	228.0
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	46.9			46.5
Amortization of intangible assets	27.3			24.4
Share-based compensation	24.6			21.6
Excess tax benefit from share-based compensation	(10.9		)	(8.8		)
Other, net	3.8			0.3
Change in operating capital	(559.5		)	(742.3		)
Net Cash Used in Operating Activities	(238.0		)	(430.3		)
Cash Flows from Investing Activities:
Capital expenditures	(38.2		)	(42.5		)
Acquisition of businesses and interests in affiliates, net of cash acquired	(22.8		)	(11.9		)
(Purchase of) proceeds from investments, net	(3.9		)	11.9
Net Cash Used in Investing Activities	(64.9		)	(42.5		)
Cash Flows from Financing Activities:
Proceeds from short-term debt	2.7			1.7
Dividends paid to common shareholders	(126.2		)	(105.9		)
Repurchases of common stock	(270.7		)	(22.1		)
Proceeds from stock plans	3.7			4.8
Acquisition of additional noncontrolling interests	(3.1		)	(8.4		)
Dividends paid to noncontrolling interest shareholders	(25.0		)	(24.8		)
Payment of contingent purchase price obligations	(1.8		)	(7.8		)
Excess tax benefit from share-based compensation	10.9			8.8
Other, net	(9.0		)	(3.2		)
Net Cash Used in Financing Activities	(418.5		)	(156.9		)
Effect of foreign exchange rate changes on cash and cash equivalents	(140.0		)	1.3
Net Decrease in Cash and Cash Equivalents	(861.4		)	(628.4		)
Cash and Cash Equivalents at the Beginning of Period	2,388.1			2,710.5
Cash and Cash Equivalents at the End of Period	$	1,526.7		$	2,082.1

The accompanying notes to the condensed consolidated financial statements are an integral part of these statements.

4

OMNICOM GROUP INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Presentation of Financial Statements

The terms “Omnicom,” the “Company,” “we,” “our” and “us” each refer to Omnicom Group Inc. and our subsidiaries, unless the context indicates otherwise. The accompanying unaudited condensed consolidated financial statements were prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP” or “GAAP”) for interim financial information and Article 10 of Regulation S-X of the Securities and Exchange Commission. Accordingly, certain information and footnote disclosure have been condensed or omitted.

In our opinion, the accompanying unaudited condensed consolidated financial statements reflect all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation, in all material respects, of the information contained herein. Certain reclassifications have been made to the prior year financial information to conform to the current year presentation. These unaudited condensed consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2014 (“2014 10-K”). Results for the interim periods are not necessarily indicative of results that may be expected for the year.

2. New Accounting Standards

In May 2014, the FASB issued FASB ASU 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”), which replaces all existing revenue recognition guidance under U.S. GAAP. ASU 2014-09 is effective for annual and interim periods beginning after December 15, 2016 and early application is not permitted. ASU 2014-09 provides for one of two methods of transition: retrospective application to each prior period presented; or, recognition of the cumulative effect of retrospective application of the new standard in the period of initial application. On April 1, 2015, the FASB proposed a one year deferral of the effective date to December 15, 2017 and early application would be permitted, but not before the original effective date of December 15, 2016. Presently, we are not yet in a position to assess the application date, the transition method we will choose, or the impact of the application on our results of operations or financial position.

In February 2015, the FASB issued FASB ASU 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis (“ASU 2015-02”), which changes the consolidation analysis for both the variable interest model and for the voting model for limited partnerships and similar entities. ASU 2015-02 is effective for annual and interim periods beginning after December 15, 2015 and early application is permitted. ASU 2015-02 provides for one of two methods of transition: retrospective application to each prior period presented; or, recognition of the cumulative effect of retrospective application of the new standard in the period of initial application. We will apply ASU 2015-02 on January 1, 2016 and we do not expect that the application of the new standard will have a significant impact on our results of operations or financial position.

3. Net Income per Common Share

The computation of basic and diluted net income per common share for the three months ended March 31, 2015 and 2014 was (in millions, except per share amounts):

	2015			2014
Net Income Available for Common Shares:
Net income - Omnicom Group Inc.	$	209.1		$	205.5
Net income allocated to participating securities	(2.8		)	(4.1		)
	$	206.3		$	201.4
Weighted Average Shares:
Basic	246.4			259.1
Dilutive stock options and restricted shares	1.0			2.3
Diluted	247.4			261.4
Anti-dilutive stock options and restricted shares	0.1			0.1
Net Income per Common Share - Omnicom Group Inc.:
Basic	$	0.84		$	0.78
Diluted	$	0.83		$	0.77

5

4. Goodwill and Intangible Assets

Goodwill and intangible assets at March 31, 2015 and December 31, 2014 were (in millions):

	2015							2014
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Goodwill	$	9,170.6	$	(530.8	)	$	8,639.8	$	9,377.6	$	(555.4	)	$	8,822.2
Intangible assets:
Purchased and internally developed software	$	296.5	$	(222.1	)	$	74.4	$	298.7	$	(221.4	)	$	77.3
Customer related and other	691.1		(398.3		)	292.8		702.1		(390.0		)	312.1
	$	987.6	$	(620.4	)	$	367.2	$	1,000.8	$	(611.4	)	$	389.4

Changes in goodwill for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
January 1	$	8,822.2		$	8,916.0
Acquisitions	65.1			51.4
Dispositions	(0.3		)	(1.2		)
Foreign currency translation	(247.2		)	20.5
March 31	$	8,639.8		$	8,986.7

There were no goodwill impairment losses recorded in the first three months of 2015 or 2014 and there are no accumulated goodwill impairment losses. Goodwill for acquisitions completed in 2015 and 2014 includes $1.8 million and $10.9 million, respectively, of goodwill attributed to noncontrolling interests in the acquired businesses.

5. Debt

Lines of Credit

We maintain a $2.5 billion line of credit (“Credit Agreement”) expiring on July 31, 2019. We have the ability to classify borrowings under the Credit Agreement as long-term. Additionally, we can issue up to $2.0 billion of commercial paper. At March 31, 2015 and December 31, 2014 there were no outstanding commercial paper issuances or borrowings under the Credit Agreement. We also have uncommitted credit lines aggregating $908.9 million and $937.8 million at March 31, 2015 and December 31, 2014, respectively.

Available and unused credit lines at March 31, 2015 and December 31, 2014 were (in millions):

	2015		2014
Credit Agreement	$	2,500.0	$	2,500.0
Uncommitted credit lines	908.9		937.8
Available and unused credit lines	$	3,408.9	$	3,437.8

The Credit Agreement contains financial covenants that require us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA of no more than 3 times for the most recently ended 12-month period (under the Credit Agreement, EBITDA is defined as earnings before interest, taxes, depreciation and amortization) and an Interest Coverage Ratio of consolidated EBITDA to interest expense of at least 5 times for the most recently ended 12-month period.At March 31, 2015, we were in compliance with these covenants, as our Leverage Ratio was 2.0 times and our Interest Coverage Ratio was 12.9 times. The Credit Agreement does not limit our ability to declare or pay dividends or repurchase our common stock.

6

Short-Term Borrowings

Short-term borrowings of $9.6 million and $7.2 million at March 31, 2015 and December 31, 2014, respectively, are comprised of bank overdrafts and credit lines of our international subsidiaries. The bank overdrafts and credit lines are treated as unsecured loans pursuant to the agreements supporting the facilities. Due to the short-term nature of these instruments, carrying value approximates fair value.

Long-Term Notes Payable

Long-term notes payable at March 31, 2015 and December 31, 2014 were (in millions):

	2015			2014
5.9% Senior Notes due 2016	$	1,000.0		$	1,000.0
6.25% Senior Notes due 2019	500.0			500.0
4.45% Senior Notes due 2020	1,000.0			1,000.0
3.625% Senior Notes due 2022	1,250.0			1,250.0
3.65% Senior Notes due 2024	750.0			750.0
Other notes and loans	0.3			0.5
	4,500.3			4,500.5
Unamortized premium (discount) on Senior Notes, net	10.9			11.1
Adjustment to carrying value for interest rate swaps	82.9			51.4
	4,594.1			4,563.0
Current portion of debt	(0.3		)	(0.4		)
Long-term notes payable	$	4,593.8		$	4,562.6

In 2014, we entered into receive fixed pay floating interest rate swaps on the $1.25 billion principal amount of our 3.625% Senior Notes due 2022 (“2022 Notes”) and on the $1 billion principal amount of our 4.45% Senior Notes due 2020 (“2020 Notes”). The interest rate swaps hedge the risk of changes in fair value of the 2022 Notes and the 2020 Notes attributable to changes in the benchmark LIBOR interest rate. Under the swap contracts, we receive fixed interest payments equal to the coupon interest rate on the 2022 Notes and the 2020 Notes and pay a variable interest rate on the total principal amount of the notes, equal to three month LIBOR in arrears, plus a spread of 1.05% on the 2022 Notes and a spread of 2.16% on the 2020 Notes. The swaps qualify and are designated as fair value hedges on the 2022 Notes and 2020 Notes, respectively. The swaps have the economic effect of converting the 2022 Notes and the 2020 Notes from fixed rate debt to floating rate debt. Gains and losses attributed to changes in the fair value of the interest rate swaps substantially offset changes in the fair value of the 2022 Notes and the 2020 Notes attributed to changes in the benchmark interest rate. The net interest settlement is recorded in interest expense. At March 31, 2015 and December 31, 2014, we recorded a receivable, which is included in other assets, of $76.0 million and $42.7 million, respectively, representing the fair value of the swaps that was substantially offset by the increase in the carrying value of the 2022 Notes and the 2020 Notes reflecting the change in fair value of the notes. Accordingly, any hedge ineffectiveness was not material to our results of operations.

6. Segment Reporting

Our five branded agency networks operate in the advertising, marketing and corporate communications services industry, and are organized into agency networks, virtual client networks, regional reporting units and operating groups. The agency networks' regional reporting units comprise three principal regions; the Americas, EMEA and Asia Pacific. The regional reporting units monitor the performance and are responsible for the agencies in their region. Agencies within the regional reporting units serve similar clients in similar industries and in many cases the same clients and have similar economic characteristics. The main economic components of each agency are employee compensation and related costs and direct service costs and office and general costs which include rent and occupancy costs, technology costs and other overhead expenses. Therefore, given these similarities, we aggregate our operating segments, which are our five agency networks, into one reporting segment.

7

Revenue and long-lived assets and goodwill by geographic region as of and for the three months ended March 31, 2015 and 2014 were (in millions):

	Americas		EMEA		Asia Pacific
2015
Revenue	$	2,151.0	$	961.4	$	356.8
Long-lived assets and goodwill	6,136.3		2,635.6		549.4
2014
Revenue	$	2,081.3	$	1,061.6	$	359.3
Long-lived assets and goodwill	6,101.2		3,009.0		608.5

The Americas comprises North America, which includes the United States, Canada and Puerto Rico, and Latin America, which includes Mexico. EMEA comprises the United Kingdom, the Euro currency countries, other European countries that have not adopted the European Union Monetary standard, the Middle East and Africa. Asia Pacific comprises Australia, China, India, Japan, Korea, New Zealand, Singapore and other Asian countries. Revenue in the United States for the three months ended March 31, 2015 and 2014 was $1,958.2 million and $1,871.8 million, respectively.

7. Income Taxes

Our effective tax rate decreased to 32.8% for the three months ended March 31, 2015 from 33.8% for the three months ended March 31, 2014. The decrease is primarily due to a legal entity restructuring of our European operations.  As a result of the reorganization, a certain portion of the not indefinitely reinvested foreign earnings in the affected countries are subject to lower effective tax rates.

At March 31, 2015, our unrecognized tax benefits were $134.7 million. Of this amount, approximately $57.1 million would affect our effective tax rate upon resolution of the uncertain tax positions.

8. Pension and Other Postemployment Benefits

Defined Benefit Pension Plans

The components of net periodic benefit cost for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
Service cost	$	1.2		$	1.7
Interest cost	1.7			1.7
Expected return on plan assets	(0.7		)	(0.7		)
Amortization of prior service cost	1.1			1.1
Amortization of actuarial (gains) losses	1.4			0.5
	$	4.7		$	4.3

We contributed $0.4 million and $0.2 million to our defined benefit pension plans in the three months ended March 31, 2015 and 2014, respectively.

8

Postemployment Arrangements

The components of net periodic benefit cost for the three months ended March 31, 2015 and 2014 were (in millions):

	2015		2014
Service cost	$	1.2	$	1.0
Interest cost	1.1		1.1
Amortization of prior service cost	0.8		0.5
Amortization of actuarial (gains) losses	0.4		0.2
	$	3.5	$	2.8

9. Operating Expenses

Operating expenses for the three months ended March 31, 2015 and 2014 were comprised of (in millions):

	2015		2014
Salary and service costs	$	2,620.8	$	2,622.8
Office and general expenses	470.7		496.7
	$	3,091.5	$	3,119.5

For the three months ended March 31, 2014, we incurred $7.0 million of expenses in connection with the proposed merger with Publicis Groupe S.A.(“Publicis”), which were primarily comprised of professional fees. On May 8, 2014, the proposed merger with Publicis was terminated.

10. Supplemental Cash Flow Data

The change in operating capital for the three months ended March 31, 2015 and 2014 was (in millions):

	2015			2014
(Increase) decrease in accounts receivable	$	467.3		$	627.4
(Increase) decrease in work in process and other current assets	(332.1		)	(188.5		)
Increase (decrease) in accounts payable	(697.8		)	(993.1		)
Increase (decrease) in customer advances and other current liabilities	26.1			(51.4		)
Change in other assets and liabilities, net	(23.0		)	(136.7		)
	$	(559.5	)	$	(742.3	)
Income taxes paid	$	144.3		$	165.9
Interest paid	$	35.2		$	41.6

11. Commitments and Contingent Liabilities

In the ordinary course of business, we are involved in various other legal proceedings. We do not presently expect that these other proceedings will have a material adverse effect on our results of operations or financial position.

9

12. Changes in Accumulated Other Comprehensive Income (Loss)

The changes in accumulated other comprehensive income (loss) for the three months ended March 31, 2015 and 2014 were (in millions):

2015	Unrealized Gain (Loss) on Cash Flow Hedge			Unrealized Gain (Loss) on Available-for-Sale Securities			Defined Benefit Pension and Postemployment Plans			Foreign Currency Translation			Total
January 1	$	—		$	(1.2	)	$	(92.1	)	$	(524.9	)	$	(618.2	)
Other comprehensive income (loss) before reclassifications	(2.5		)	0.2			—			(318.4		)	(320.7		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			2.2			—			2.2
Other comprehensive income (loss)	(2.5		)	0.2			2.2			(318.4		)	(318.5		)
March 31	$	(2.5	)	$	(1.0	)	$	(89.9	)	$	(843.3	)	$	(936.7	)

2014
January 1	$	—	$	(1.6	)	$	(68.8	)	$	(121.2	)	$	(191.6	)
Other comprehensive income (loss) before reclassifications	—		0.1			—			20.4			20.5
Amounts reclassified from accumulated other comprehensive income (loss)	—		—			1.4			—			1.4
Other comprehensive income (loss)	—		0.1			1.4			20.4			21.9
March 31	$	—	$	(1.5	)	$	(67.4	)	$	(100.8	)	$	(169.7	)

On March 26, 2015, we entered into a $1 billion receive floating (3 Month LIBOR) pay fixed (2.3209%) forward-starting 10-year interest rate swap in connection with the upcoming maturity of our $1 billion 5.9% Senior Notes on April 15, 2016. The swap mitigates the risk of changes in the semi-annual interest payments during the period March 26, 2015 to May 2, 2016, the contractual termination date of the swap, and effectively locks in the fixed interest rate, excluding the effect of our credit spread, on any refinancing. Accordingly, the swap is designated as a cash flow hedge of the semi-annual interest rate payments attributable to changes in the benchmark interest rate. We expect that the swap will have almost no ineffectiveness and is carried on the balance sheet at fair value and any net gain or loss on the swap is recorded in accumulated other comprehensive income. Upon termination of the swap, any gain or loss will be amortized to interest expense or will be recorded in our results of operations if the refinancing is not completed. At March 31, 2015, we recorded a liability of $4.2 million, which is included in long-term liabilities and the related loss of $2.5 million, net of income taxes, in other comprehensive income.

Reclassifications from accumulated other comprehensive income (loss) for the three months ended March 31, 2015 and 2014 were (in millions):

	2015		2014
Amortization of defined benefit pension and postemployment plans:
Prior service cost	$	1.9	$	1.6
Actuarial (gains) losses	1.8		0.7
Net periodic benefit cost (see Note 8)	3.7		2.3
Income taxes	1.5		0.9
Periodic benefit cost, net of income tax	$	2.2	$	1.4

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13. Fair Value

Financial assets and liabilities measured at fair value on a recurring basis at March 31, 2015 and December 31, 2014 were (in millions):

2015	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	1,526.7					$	1,526.7
Short-term investments	5.7						5.7
Available-for-sale securities	5.0						5.0
Interest rate and foreign currency derivative instruments			$	76.5			76.5
Liabilities:
Interest rate and foreign currency derivative instruments			$	4.9			$	4.9
Contingent purchase price obligations					$	332.5	332.5

2014
Assets:
Cash and cash equivalents	$	2,388.1					$	2,388.1
Short-term investments	2.2						2.2
Available-for-sale securities	4.9						4.9
Interest rate and foreign currency derivative instruments			$	43.1			43.1
Liabilities:
Foreign currency derivative instruments			$	0.4			$	0.4
Contingent purchase price obligations					$	300.7	300.7

The changes in Level 3 contingent purchase price obligations for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
January 1	$	300.7		$	220.2
Acquisitions	46.3			43.2
Revaluation and interest	2.2			(0.8		)
Payments	(1.8		)	(7.8		)
Foreign currency translation	(14.9		)	2.0
March 31	$	332.5		$	256.8

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The carrying amount and fair value of our financial instruments at March 31, 2015 and December 31, 2014 were (in millions):

	2015				2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	1,526.7	$	1,526.7	$	2,388.1	$	2,388.1
Short-term investments	5.7		5.7		2.2		2.2
Available-for-sale securities	5.0		5.0		4.9		4.9
Interest rate and foreign currency derivative instruments	76.5		76.5		43.1		43.1
Cost method investments	20.8		20.8		21.8		21.8
Liabilities:
Short-term borrowings	$	9.6	$	9.6	$	7.2	$	7.2
Interest rate and foreign currency derivative instruments	4.9		4.9		0.4		0.4
Contingent purchase price obligations	332.5		332.5		300.7		300.7
Debt	4,594.1		4,820.9		4,563.0		4,754.9

The estimated fair value of the foreign currency and interest rate derivative instruments is determined using model-derived valuations, taking into consideration foreign currency rates for the foreign currency derivatives and readily observable inputs for LIBOR interest rates and yield curves to derive the present value of the future cash flows for the interest rate swap derivatives and counterparty credit risk for each. The estimated fair value of the contingent purchase price obligations is calculated in accordance with the terms of each acquisition agreement and is discounted. The fair value of debt is based on quoted market prices.

14. Subsequent Events

We have evaluated events subsequent to the balance sheet date and determined there have not been any events that have occurred that would require adjustment to or disclosure in the condensed consolidated financial statements.

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Item 2.  Management's Discussion And Analysis Of Financial Condition And Results Of Operations

EXECUTIVE SUMMARY

We are a strategic holding company providing advertising, marketing and corporate communications services to clients through multiple agencies around the world. On a global, pan-regional and local basis, our agencies provide these services in the following disciplines: advertising, CRM, public relations and specialty communications. Our business model was built and continues to evolve around our clients. While our agencies operate under different names and frame their ideas in different disciplines, we organize our services around our clients. The fundamental premise of our business is that our clients’ specific requirements should be the central focus in how we deliver our services and allocate our resources. This client-centric business model results in multiple agencies collaborating in formal and informal virtual networks that cut across internal organizational structures to deliver consistent brand messages for a specific client and execute against each of our clients’ specific marketing requirements. We continually seek to grow our business with our existing clients by maintaining our client-centric approach, as well as expanding our existing business relationships into new markets and with new clients. In addition, we pursue selective acquisitions of complementary companies with strong entrepreneurial management teams that typically currently serve or have the ability to serve our existing client base.

As a leading global advertising, marketing and corporate communications company, we operate in all major markets around the world and have a large and diverse client base. In the first quarter of 2015, our largest client accounted for 2.7% of our revenue and no other client accounted for more than 2.4% of our revenue. Our top 100 clients accounted for approximately 52% of our revenue for the three months ended March 31, 2015. Our business is spread across a number of industry sectors with no one industry comprising more than 13.0% of our revenue for the three months ended March 31, 2015. Although our revenue is generally balanced between the United States and international markets and we have a large and diverse client base, we are not immune to general economic downturns.

As described in more detail below, in the first quarter of 2015, revenue decreased$33.0 million, or 0.9%, compared to the first quarter of 2014. Beginning in the fourth quarter of 2014 and continuing into the first quarter of 2015, substantially all foreign currencies weakened against the U.S. Dollar. Changes in foreign exchange rates reduced revenue $226.0 million, or 6.4%, acquisitions net of dispositions increased revenue $14.3 million, or 0.4%, and organic growth increased revenue $178.7 million, or 5.1%.

Global economic conditions have a direct impact on our business and financial performance. In particular, a contraction in global economic conditions poses a risk that our clients may reduce future spending on advertising, marketing and corporate communications services which could reduce the demand for our services. In the first three months of 2015, the United States experienced modest economic growth and the major economies of Asia and Latin America continued to expand. Economic conditions in the Euro Zone were unsettled and the fiscal issues facing many countries in the European Union continue to cause economic uncertainty in many of our Euro Zone markets. We will continue to monitor economic conditions closely, client revenue levels and other factors and, in response to reductions in our client revenue, if necessary, we will take actions available to us to align our cost structure and manage working capital. There can be no assurance whether, or to what extent, our efforts to mitigate any impact of future adverse economic conditions, reductions in our client revenue, changes in client creditworthiness and other developments will be effective.

Certain business trends have had a positive impact on our business and industry. These trends include our clients increasingly expanding the focus of their brand strategies from national markets to pan-regional and global markets and integrating traditional and non-traditional marketing channels, as well as utilizing new communications technologies and emerging digital platforms. Additionally, in an effort to gain greater efficiency and effectiveness from their total marketing expenditures, clients continue to require greater coordination of marketing activities. We believe these trends have benefited our business in the past and over the medium and long term will continue to provide a competitive advantage to us.

In the near term, barring unforeseen events and excluding the impact of changes in foreign exchange rates, as a result of continued improvement in operating performance by many of our agencies and new business activities, we expect our 2015 revenue to increase modestly in excess of the weighted average nominal GDP growth in our major markets. We expect to continue to identify acquisition opportunities intended to build upon the core capabilities of our strategic business platforms, expand our operations in the emerging markets and enhance our capabilities to leverage new technologies that are being used by marketers today.

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Given our size and breadth, we manage our business by monitoring several financial indicators. The key indicators that we focus on are revenue and operating expenses. We analyze revenue growth by reviewing the components and mix of the growth, including growth by principal regional market, growth by marketing discipline, impact from foreign currency fluctuations, growth from acquisitions and growth from our largest clients. In recent years, our revenue has been divided almost evenly between our domestic and international operations.

For the quarter ended March 31, 2015, our revenue decreased0.9% compared to the quarter ended March 31, 2014. Changes in foreign exchange rates reduced revenue by 6.4%, acquisitions, net of dispositions increased revenue 0.4% and organic growth increased revenue 5.1%. Across our principal regional markets, the changes in revenue were: North America increased3.9%, Europe decreased10.4%, Asia Pacific decreased0.7% and Latin America decreased9.5%. In Europe, strong growth in the United Kingdom, or U.K., and Spain was offset by the weakening of all major European currencies against the U.S. Dollar. In Asia Pacific and Latin America, growth was also offset by the weakening of the currencies in those regions and revenue decreased0.7% and 9.5%, respectively. The change in revenue in the first quarter of 2015 compared to the first quarter of 2014, including the negative impact of currency changes, in our four fundamental disciplines was: advertising increased0.9%, CRM decreased5.0%, public relations increased1.7% and specialty communications increased2.7%.

We measure operating expenses in two distinct cost categories: salary and service costs and office and general expenses. Salary and service costs consist of employee compensation and related costs and direct service costs. Office and general expenses consist of rent and occupancy costs, technology costs, depreciation and amortization and other overhead expenses. Each of our agencies requires professionals with the skill sets that are common across our disciplines. At the core of the skill sets is the ability to understand a client’s brand or product and its selling proposition and the ability to develop a unique message to communicate the value of the brand or product to the client’s target audience. The facility requirements of our agencies are also similar across geographic regions and disciplines, and their technology requirements are generally limited to personal computers, servers and off-the-shelf software.

As a service business, we monitor salary and service costs and office and general costs in relation to revenue. Salary and service costs, which tend to fluctuate in conjunction with changes in revenue, decreased$2.0 million, or 0.1%, in the first quarter of 2015 compared to the first quarter of 2014. Office and general expenses, which are less directly linked to changes in revenue than salary and service costs, decreased$26.0 million, or 5.2%, in the first quarter of 2015 compared to the first quarter of 2014.

Operating margins were flat at 10.9% period-over-period and EBITA margin increased to 11.7% in the first quarter of 2015 from 11.6% in the first quarter of 2014. In the first quarter of 2014, we incurred $7.0 million of expenses in connection with the proposed merger with Publicis Groupe S.A., or Publicis, which were primarily comprised of professional fees. On May 8, 2014, the proposed merger with Publicis was terminated.

Net interest expense decreased$4.8 million to $34.2 million in the first quarter of 2015 from $39.0 million in the first quarter of 2014. In the first quarter of 2015, interest expense decreased $4.1 million to $43.6 million, primarily resulting from the benefit from the interest rate swaps on the 3.625% Senior Notes due 2022, or 2022 Notes, and the 4.45% Senior Notes due 2020, or 2020 Notes, which offset the interest expense on the 3.65% Senior Notes due 2024, or 2024 Notes, issued in October 2014. Interest income increased$0.7 million to $9.4 million in the first quarter of 2015 resulting from our cash management efforts and interest earned on cash balances in our international treasury centers.

Our effective tax rate decreased to 32.8% for the three months ended March 31, 2015 from 33.8% for the three months ended March 31, 2014. The decrease is primarily due to a legal entity restructuring of our European operations.  As a result of the reorganization, a certain portion of the not indefinitely reinvested foreign earnings in the affected countries are subject to lower effective tax rates.

Net income - Omnicom Group Inc. in the first quarter of 2015increased$3.6 million, or 1.8%, to $209.1 million from $205.5 million in the first quarter of 2014. The period-over-period increase is due to the factors described above. Diluted net income per common share - Omnicom Group Inc. increased7.8% to $0.83 in the first quarter of 2015, compared to $0.77 in the first quarter of 2014 due to the factors described above, as well as the impact of the reduction in our weighted average common shares outstanding resulting from repurchases of our common stock, net of shares issued for stock option exercises and shares issued under our employee stock purchase plan.

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RESULTS OF OPERATIONS - First Quarter 2015 Compared to First Quarter 2014 (in millions):

	2015			2014
Revenue	$	3,469.2		$	3,502.2
Operating Expenses:
Salary and service costs	2,620.8			2,622.8
Office and general expenses	470.7			496.7
Total Operating Expenses	3,091.5			3,119.5
Add back: Amortization of intangible assets	27.3			24.4
	3,064.2			3,095.1
Earnings before interest, taxes and amortization of intangible assets (“EBITA”)	405.0			407.1
EBITA Margin - %	11.7		%	11.6		%
Deduct: Amortization of intangible assets	27.3			24.4
Operating Income	377.7			382.7
Operating Margin - %	10.9		%	10.9		%
Interest Expense	43.6			47.7
Interest Income	9.4			8.7
Income Before Income Taxes and Income From Equity Method Investments	343.5			343.7
Income Tax Expense	112.7			116.3
Income (Loss) From Equity Method Investments	(1.0		)	0.6
Net Income	229.8			228.0
Net Income Attributed To Noncontrolling Interests	20.7			22.5
Net Income - Omnicom Group Inc.	$	209.1		$	205.5

In the first quarter of 2014, we incurred $7.0 million of expenses in connection with the proposed merger with Publicis, which were primarily comprised of professional fees. On May 8, 2014, the proposed merger with Publicis was terminated.

EBITA, which we define as earnings before interest, taxes and amortization of intangible assets, and EBITA Margin, which we define as EBITA divided by Revenue, are Non-GAAP financial measures. We use EBITA and EBITA Margin as additional operating performance measures, which exclude the non-cash amortization expense of acquired intangible assets. The table above reconciles EBITA and EBITA Margin to the U.S. GAAP financial measure of Operating Income for the periods presented. We believe that EBITA and EBITA Margin are useful measures to evaluate the performance of our businesses. Non-GAAP financial measures should not be considered in isolation from or as a substitute for financial information presented in compliance with U.S. GAAP. Non-GAAP financial measures reported by us may not be comparable to similarly titled amounts reported by other companies.

Revenue

In the first quarter of 2015, revenue decreased$33.0 million, or 0.9%, to $3,469.2 million from $3,502.2 million in the first quarter of 2014. Changes in foreign exchange rates reduced revenue $226.0 million, acquisitions net of dispositions increased revenue $14.3 million and organic growth increased revenue $178.7 million.

The components of revenue change for the first quarter of 2015 in the United States (“Domestic”) and the remainder of the world (“International”) were (in millions):

	Total					Domestic					International
	$			%		$			%		$			%
March 31, 2014	$	3,502.2				$	1,871.8				$	1,630.4
Components of revenue change:
Foreign exchange impact	(226.0		)	(6.4	)%	—			—	%	(226.0		)	(13.8	)%
Acquisitions, net of dispositions	14.3			0.4	%	(4.4		)	(0.2	)%	18.7			1.1	%
Organic growth	178.7			5.1	%	90.8			4.8	%	87.9			5.4	%
March 31, 2015	$	3,469.2		(0.9	)%	$	1,958.2		4.6	%	$	1,511.0		(7.3	)%

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The components and percentages are calculated as follows:

• The foreign exchange impact is calculated by first converting the current period’s local currency revenue using the average exchange rates from the equivalent prior period to arrive at a constant currency revenue (in this case $3,695.2 million for the Total column). The foreign exchange impact equals the difference between the current period revenue in U.S. Dollars and the current period revenue in constant currency ($3,469.2 million less $3,695.2 million for the Total column).

• The acquisition component is calculated by aggregating the applicable prior period revenue of the acquired businesses, less revenue of any business included in the prior period revenue that was disposed of subsequent to the prior period.

• Organic growth is calculated by subtracting both the foreign exchange and acquisition components from total revenue growth.

• The percentage change is calculated by dividing the individual component amount by the prior period revenue base of that component ($3,502.2 million for the Total column).

For the first quarter of 2015, changes in foreign exchange rates reduced revenue by 6.4%, or $226.0 million, compared to the first quarter of 2014. The most significant impacts resulted from the weakening of most currencies, including the Euro, Australian Dollar, Brazilian Real, British Pound, Canadian Dollar and Russian Ruble, against the U.S. Dollar.

Our results of operations are subject to risk from the translation to U.S. Dollars of the revenue and expenses of our foreign operations, which are generally denominated in their local currency. However, for the most part, revenue and expenses of our foreign operations are denominated in the same currency, which minimizes the economic impact of changes in foreign exchange rates on our results of operations. Assuming exchange rates at April 10, 2015 remain unchanged, we expect the impact of changes in foreign exchange rates to reduce revenue by approximately 6.5% for the year and 7.5% in the second quarter of 2015.

Revenue for the first quarter of 2015 and the percentage change in revenue and organic growth from the first quarter of 2014 in our principal regional markets were (in millions):

	$		% Change		% Organic Growth
Americas:
North America	$	2,067.2	3.9	%	4.8	%
Latin America	83.8		(9.5	)%	3.4	%
EMEA:
Europe	901.3		(10.4	)%	4.9	%
Middle East and Africa	60.1		7.9	%	10.6	%
Asia Pacific	356.8		(0.7	)%	6.7	%
	$	3,469.2	(0.9	)%	5.1	%

Europe comprises the U.K., and the Euro currency countries, and other European countries that have not adopted the European Union Monetary standard. In the first quarter of 2015, the percentage of revenue attributed to the U.K. and the Euro currency and other European countries was 10.0% and 16.0%, respectively. In the first quarter of 2015, total revenue growth for the U.K. was 2.4% and total revenue decreased16.9% in the Euro currency and other European countries.

In the normal course of business, our agencies both gain and lose business from clients each year due to a variety of factors. The net change through the first three months of 2015 was an overall gain in new business. Under our client-centric approach, we seek to broaden our relationships with all of our clients. Our largest client represented 2.7% and 2.8% of our revenue for the first quarter of 2015 and 2014, respectively. No other client represented more than 2.4% of revenue for 2015 and 2014. Our ten largest and 100 largest clients represented 18.0% and 52.1% of our revenue for the first quarter of 2015, respectively and 18.4% and 51.2% of our revenue for the first quarter of 2014, respectively.

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Driven by our clients’ continuous demand for more effective and efficient marketing activities, we strive to provide an extensive range of advertising, marketing and corporate communications services through various client-centric networks that are organized to meet specific client objectives. These services include advertising, brand consultancy, content marketing, corporate social responsibility consulting, crisis communications, custom publishing, data analytics, database management, direct marketing, entertainment marketing, environmental design, experiential marketing, field marketing, financial/corporate business-to-business advertising, graphic arts/digital imaging, healthcare communications, instore design, interactive marketing, investor relations, marketing research, media planning and buying, mobile marketing, multi-cultural marketing, non-profit marketing, organizational communications, package design, product placement, promotional marketing, public affairs, public relations, reputation consulting, retail marketing, search engine marketing, social media marketing and sports and event marketing. In an effort to monitor the changing needs of our clients and to further expand the scope of our services to key clients, we monitor revenue across a broad range of disciplines and group them into the following four categories: advertising, CRM, public relations and specialty communications.

Revenue for the first quarter of 2015 and 2014 and the percentage change in revenue and organic growth from the first quarter of 2014 by discipline were (in millions):

	Three Months Ended March 31,
	2015				2014				2015 vs. 2014
	$		% of Revenue		$		% of Revenue		$			% Change		% Organic Growth
Advertising	$	1,709.2	49.3	%	$	1,693.5	48.4	%	$	15.7		0.9	%	7.7	%
CRM	1,169.5		33.7	%	1,230.7		35.1	%	(61.2		)	(5.0	)%	2.6	%
Public relations	330.9		9.5	%	325.3		9.3	%	5.6			1.7	%	3.1	%
Specialty communications	259.6		7.5	%	252.7		7.2	%	6.9			2.7	%	2.6	%
	$	3,469.2			$	3,502.2			$	(33.0	)	(0.9	)%	5.1	%

We operate in a number of industry sectors. The percentage of our revenue by industry sector for the first quarter of 2015 and 2014 was:

	2015		2014
Food and Beverage	13	%	14	%
Consumer products	10	%	10	%
Pharmaceuticals and Health Care	11	%	10	%
Financial Services	7	%	7	%
Technology	9	%	9	%
Auto	8	%	8	%
Travel and Entertainment	6	%	5	%
Telecommunications	5	%	6	%
Retail	6	%	6	%
Other	25	%	25	%

Looking ahead to the remainder of the year, barring unforeseen events and excluding the impact of changes in foreign exchange rates, as a result of continued strong operating performance by many of our agencies and new business activities, we expect our revenue to increase modestly in excess of the weighted average nominal GDP growth in our major markets.

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Operating Expenses

Operating expenses for the first quarter of 2015 compared to the first quarter of 2014 were (in millions):

	Three Months Ended March 31,
	2015						2014						2015 vs. 2014
	$		% of Revenue		% of Total Operating Expenses		$		% of Revenue		% of Total Operating Expenses		$ Change			% Change
Revenue	$	3,469.2					$	3,502.2					$	(33.0	)	(0.9	)%
Operating Expenses:
Salary and service costs	2,620.8		75.5	%	84.8	%	2,622.8		74.9	%	84.1	%	(2.0		)	(0.1	)%
Office and general expenses	470.7		13.6	%	15.2	%	496.7		14.2	%	15.9	%	(26.0		)	(5.2	)%
Operating Expenses	3,091.5		89.1	%			3,119.5		89.1	%			(28.0		)	(0.9	)%
Operating Income	$	377.7	10.9	%			$	382.7	10.9	%			$	(5.0	)	(1.3	)%

Salary and service costs tend to fluctuate in conjunction with changes in revenue. Salary and service costs decreased$2.0 million in the first quarter of 2015, compared to the first quarter of 2014. However salary and service costs increased sightly as a percentage of revenue primarily reflecting increases related to changes in the mix of our business during the period.

Office and general expenses are less directly linked to changes in our revenue than salary and service costs. Office and general expenses decreased$26.0 million in the first quarter of 2015, compared to the first quarter of 2014.

Operating margins were flat at 10.9% period-over-period and EBITA margin increased to 11.7% in the first quarter of 2015 from 11.6% in the first quarter of 2014. In the first quarter of 2014, we incurred $7.0 million of expenses in connection with the proposed merger with Publicis, which were primarily comprised of professional fees. On May 8, 2014, the proposed merger with Publicis was terminated.

Net Interest Expense

Net interest expense decreased$4.8 million to $34.2 million in the first quarter of 2015 from $39.0 million in the first quarter of 2014. In the first quarter of 2015, interest expense decreased $4.1 million to $43.6 million, primarily resulting from the benefit from the interest rate swaps on the 2022 Notes and the 2020 Notes, which offset the interest expense on the 2024 Notes, issued in October 2014. Interest income increased$0.7 million to $9.4 million in the first quarter of 2015 resulting from our cash management efforts and interest earned on cash balances in our international treasury centers.

Income Taxes

Our effective tax rate decreased to 32.8% for the three months ended March 31, 2015 from 33.8% for the three months ended March 31, 2014. The decrease is primarily due to a legal entity restructuring of our European operations.  As a result of the reorganization, a certain portion of the not indefinitely reinvested foreign earnings in the affected countries are subject to lower effective tax rates.

Net Income Per Common Share - Omnicom Group Inc.

Net income - Omnicom Group Inc. in the first quarter of 2015increased$3.6 million, or 1.8%, to $209.1 million from $205.5 million in the first quarter of 2014. The period-over-period increase is due to the factors described above. Diluted net income per common share - Omnicom Group Inc. increased7.8% to $0.83 in the first quarter of 2015, compared to $0.77 in the first quarter of 2014, due to the factors described above, as well as the impact of the reduction in our weighted average common shares outstanding resulting from repurchases of our common stock, net of shares issued for stock option exercises and shares issued under our employee stock purchase plan.

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CRITICAL ACCOUNTING POLICIES

For a more complete understanding of our accounting policies, the condensed consolidated financial statements and the related Management’s Discussion and Analysis of Financial Condition and Results of Operations, readers are encouraged to consider this information together with our discussion of our critical accounting policies under the heading “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2014 10-K.

NEW ACCOUNTING STANDARDS

See Note 2 to the unaudited condensed consolidated financial statements for additional information.

LIQUIDITY AND CAPITAL RESOURCES

Cash Sources and Requirements

The majority of our non-discretionary cash requirements is funded from operating cash flow and cash on hand. Working capital is our principal non-discretionary funding requirement. In addition, we have contractual obligations related to our senior notes, recurring business operations, primarily related to lease obligations, as well as contingent purchase price obligations (earn-outs) for acquisitions made in prior years.

Our principal discretionary cash uses include dividend payments to common shareholders, capital expenditures, payments for strategic acquisitions and repurchases of our common stock. Our discretionary spending is funded from operating cash flow and cash on hand, as well as, if needed, other available sources of funding, such as issuing commercial paper, borrowing under our $2.5 billion credit line, or Credit Agreement, or other long-term borrowings to finance these activities. We expect to have sufficient liquidity to fund both our non-discretionary cash requirements and our discretionary spending through 2015. However, we may access the capital markets at any time if favorable conditions exist.

We have a seasonal cash requirement normally peaking during the second quarter of the year primarily due to the timing of payments for incentive compensation, income taxes and contingent purchase price obligations. This typically results in a net borrowing requirement that decreases over the course of the year.

During the first three months of 2015, we used$238.0 million of cash in operations, which included the use of operating capital of $559.5 million. Our discretionary spending during the first three months of 2015 was: capital expenditures of $38.2 million; dividends paid to common shareholders of $126.2 million; dividends paid to shareholders of noncontrolling interests of $25.0 million; repurchases of our common stock, net of proceeds from stock option exercises and related tax benefits and common stock sold to our employee stock purchase plan, of $256.1 million; and, acquisition payments, including payment of contingent purchase price obligations and acquisition of additional shares of noncontrolling interests, net of cash acquired, of $27.7 million. In the first three months of 2015, the impact of the translation of foreign cash balances to U.S. Dollars reduced cash and cash equivalents by $140.0 million.

Cash Management

We manage our cash and liquidity centrally through our regional treasury centers in North America, Europe and Asia. The treasury centers are managed by our wholly owned finance subsidiaries. Each day, operations with excess funds invest these funds with their regional treasury center. Likewise, operations that require funds borrow from their regional treasury center. The treasury centers aggregate the net position which is either invested with or borrowed from third parties. To the extent that our treasury centers require liquidity, they have the ability to access local currency uncommitted credit lines, the Credit Agreement or issue up to a total of $2 billion of U.S. Dollar-denominated commercial paper. This process enables us to manage our debt balances more efficiently and utilize our cash more effectively, as well as manage our risk to foreign exchange rate changes. In countries where we either do not conduct treasury operations or it is not feasible for one of our treasury centers to fund net borrowing requirements on an intercompany basis, we arrange for local currency uncommitted credit lines.

Cash and cash equivalents decreased$861.4 million from December 31, 2014. Short-term investments increased$3.5 million from December 31, 2014. Short-term investments principally consist of time deposits with financial institutions that we expect to convert into cash within our current operating cycle, generally one year.

19

Our net debt position, which we define as total debt outstanding less cash and cash equivalents and short-term investments, increased $891.4 million at March 31, 2015, as compared to December 31, 2014. The increase is primarily due to the use of operating capital of $559.5 million and net repurchases of our common stock of $256.1 million. In addition, the impact of changes in foreign currencies on the translation of foreign cash balances to U.S. Dollars reduced cash and cash equivalents by $140.0 million. The negative impact of changes in foreign currencies on the translation of our foreign cash balances to U.S. Dollars for the twelve months ended March 31, 2015 was $415 million, however our treasury operations have been able to minimize the realized reduction on our foreign cash balances. Net debt is a Non-GAAP financial measure. This presentation, together with the comparable U.S. GAAP measures, reflects one of the key metrics used by us to assess our cash management performance. Non-GAAP financial measures should not be considered in isolation from, or as a substitute for, financial information presented in compliance with US GAAP. Non-GAAP financial measures as reported by us may not be comparable to similarly titled amounts reported by other companies.

At March 31, 2015, our total cash and cash equivalents were $1.5 billion, of which our foreign subsidiaries held approximately $1.4 billion. The majority of this cash is available to us, net of any taxes payable upon repatriation to the United States. Changes in international tax rules or changes in U.S. tax rules and regulations covering international operations and foreign tax credits may affect our future reported financial results or the way we conduct our business.

We have policies governing counterparty credit risk with financial institutions that hold our cash and cash equivalents and we have deposit limits for each financial institution. In countries where we conduct treasury operations, generally the counterparties are either branches or subsidiaries of the financial institutions that are party to the Credit Agreement. These financial institutions generally have credit ratings equal to or better than our credit ratings. In countries where we do not conduct treasury operations, we ensure that all cash and cash equivalents are held by counterparties that meet specific minimum credit standards.

Debt Instruments and Related Covenants

We have committed and uncommitted credit lines. Our Credit Agreement expires on July 31, 2019. We have the ability to classify borrowings under the Credit Agreement as long-term. In addition, we can issue up to $2.0 billion of commercial paper.

We typically fund our day-to-day liquidity by issuing commercial paper, Also, we may borrow under our uncommitted credit lines or Credit Agreement. At March 31, 2015, there were no outstanding commercial paper issuances or borrowings under the Credit Agreement.

Commercial paper activity for the quarters ended March 31, 2015 and 2014 was (dollars in millions):

	2015			2014
Average amount outstanding during the quarter	$	558.7		$	390.9
Maximum amount outstanding during the quarter	$	983.5		$	770.0
Total issuances during the quarter	$	5,942.0		$	3,728.6
Average days outstanding	8.5			9.4
Weighted average interest rate	0.44		%	0.27		%

At March 31, 2015, short-term borrowings of $9.6 million are comprised of bank overdrafts and credit lines of our international subsidiaries. These bank overdrafts and credit lines are treated as unsecured loans pursuant to the agreements supporting the facilities.

The Credit Agreement contains financial covenants that require us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA of no more than 3 times for the most recently ended 12-month period (under the Credit Agreement, EBITDA is defined as earnings before interest, taxes, depreciation and amortization) and an Interest Coverage Ratio of consolidated EBITDA to interest expense of at least 5 times for the most recently ended 12-month period. At March 31, 2015 we were in compliance with these covenants as our Leverage Ratio was 2.0 times and our Interest Coverage Ratio was 12.9 times. The Credit Agreement does not limit our ability to declare or pay dividends or repurchase our common stock.

20

On March 26, 2015, we entered into a $1 billion receive floating (3 Month LIBOR) pay fixed (2.3209%) forward-starting 10-year interest rate swap in connection with the upcoming maturity of our $1 billion 5.9% Senior Notes on April 15, 2016. The swap mitigates the risk of changes in the semi-annual interest payments during the period March 26, 2015 to May 2, 2016, the contractual termination date of the swap, and effectively locks in the fixed interest rate, excluding the effect of our credit spread, on any refinancing. Accordingly, the swap is designated as a cash flow hedge of the semi-annual interest rate payments attributable to changes in the benchmark interest rate. We expect that the swap will have almost no ineffectiveness and is carried on the balance sheet at fair value and any net gain or loss on the swap is recorded in accumulated other comprehensive income. Upon termination of the swap, any gain or loss will be amortized to interest expense or will be recorded in our results of operations if the refinancing is not completed.

Credit Markets and Availability of Credit

We will continue to take actions available to us to respond to changing economic conditions and actively manage our discretionary expenditures and we will continue to monitor and manage the level of credit made available to our clients. We believe that these actions, in addition to operating cash flow and the availability of our Credit Agreement, are sufficient to fund our working capital needs and our discretionary spending through 2015.

In funding our day-to-day liquidity, we have historically been a participant in the commercial paper market. We expect to continue funding our day-to-day liquidity through the commercial paper market. However, disruptions in the credit markets may lead to periods of illiquidity in the commercial paper market and higher credit spreads. To mitigate any future disruption in the credit markets and to fund our day-to-day liquidity we may use our uncommitted credit lines or borrow under our Credit Agreement. We will continue to closely monitor our liquidity and the credit markets. We cannot predict with any certainty the impact on us of any future disruptions in the credit markets.

CREDIT RISK

We provide advertising, marketing and corporate communications services to several thousand clients who operate in nearly every industry sector of the global economy and we grant credit to qualified clients in the normal course of business. Due to the diversified nature of our client base, we do not believe that we are exposed to a concentration of credit risk as our largest client accounted for 2.7% of our revenue for the first three months of 2015 and no other client accounted for more than 2.4% of our revenue. However, during periods of economic downturn, the credit profiles of our clients could change.

In the normal course of our business, our agencies enter into contractual commitments with media providers and production companies on behalf of our clients at levels that can substantially exceed the revenue from our services. These commitments are included in accounts payable when the services are delivered by the media providers or production companies. If permitted by local law and the client agreement, many of our agencies purchase media and production services for our clients as an agent for a disclosed principal. In addition, while operating practices vary by country, media type and media vendor, in the United States and certain foreign markets, many of our agencies’ contracts with media and production providers specify that our agencies are not liable to the media and production providers under the theory of sequential liability until and to the extent we have been paid by our client for the media or production services.

Where purchases of media and production services are made by our agencies as a principal or are not subject to the theory of sequential liability, the risk of a material loss as a result of payment default by our clients could increase significantly and such a loss could have a material adverse effect on our business, results of operations and financial position.

In addition, methods of managing the risk of payment defaults, including obtaining credit insurance, requiring payment in advance, mitigating the potential loss in the marketplace or negotiating with media providers, may be less available or unavailable during a severe economic downturn.

21

ITEM 3. QUANTATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

As a global business, we operate in multiple foreign currencies and issue debt in the capital markets. Our regional treasury centers use derivative financial instruments, such as forward foreign exchange contracts, as an economic hedge to manage the cash flow volatility arising from foreign exchange rate fluctuations. We use derivative financial instruments, such as fixed-to-floating interest rate swaps, to manage the cost of debt more efficiently.

As a result of using derivative instruments, we are exposed to the risk that counterparties to derivative contracts will fail to meet their contractual obligations. To mitigate the counterparty credit risk, we have a policy of only entering into contracts with carefully selected major financial institutions based on specific minimum credit standards and other factors. We do not use derivative financial instruments for trading or speculative purposes.

Our 2014 10-K provides a detailed discussion of the market risks affecting our operations. No material change has occurred in our market risks since the disclosure contained in our 2014 10-K. See our discussion regarding current economic conditions in Item 2 - Management’s Discussion and Analysis of Financial Condition and Results of Operations, in the Executive Summary and Liquidity and Capital Resources sections.

ITEM 4. CONTROLS AND PROCEDURES

We maintain disclosure controls and procedures designed to ensure that information required to be disclosed in reports we file with the SEC is recorded, processed, summarized and reported within applicable time periods. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by us in the reports we file or submit under the Securities Exchange Act of 1934, as amended, or the Exchange Act, is accumulated and communicated to management, including our Chief Executive Officer, or CEO, and Chief Financial Officer, or CFO, as appropriate to allow timely decisions regarding required disclosure. Management, including our CEO and CFO, conducted an evaluation of the effectiveness of our disclosure controls and procedures as of March 31, 2015. Based on that evaluation, our CEO and CFO concluded that, as of March 31, 2015, our disclosure controls and procedures are effective to ensure that decisions can be made timely with respect to required disclosures, as well as ensuring that the recording, processing, summarization and reporting of information required to be included in our Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 are appropriate.

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rule 13a-15(f). Management, with the participation of our CEO, CFO and our agencies, conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on that evaluation, our CEO and CFO concluded that our internal control over financial reporting was effective as of March 31, 2015. There have not been any changes in our internal control over financial reporting during our most recent fiscal quarter that have materially affected or are reasonably likely to materially affect our internal control over financial reporting.

KPMG LLP, an independent registered public accounting firm that audited our consolidated financial statements included in our 2014 10-K, has issued an attestation report on Omnicom’s internal control over financial reporting as of December 31, 2014, dated February 10, 2015.

22

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

In the ordinary course of business, we are involved in various legal proceedings. We do not presently expect that these other proceedings will have a material adverse effect on our results of operations or financial position.

Item 1A. Risk Factors

There have been no material changes to the risk factors disclosed in Item 1A in our 2014 10-K.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Stock purchase activity during the three months ended March 31, 2015 was:

Period	Total Number of Shares Purchased	Average Price Paid Per Share	Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
January 2015	964,493	$76.41	—	—
February 2015	1,884,990	$77.10	—	—
March 2015	650,271	$79.21	—	—
	3,499,754	$77.30	—	—

During the three months ended March 31, 2015, we purchased 3,120,866 shares of our common stock in the open market for general corporate purposes and withheld 378,888 shares from employees to satisfy estimated statutory income tax obligations related to stock option exercises and vesting of restricted stock. The value of the common stock withheld was based on the closing price of our common stock on the applicable exercise or vesting date.

There were no unregistered sales of our equity securities during the three months ended March 31, 2015.

Item 6. Exhibits

12	Computation of Ratio of Earnings to Fixed Charges.
31.1	Certification of the Chief Executive Officer and President required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
31.2	Certification of the Executive Vice President and Chief Financial Officer required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
32	Certification of the Chief Executive Officer and President and the Executive Vice President and Chief Financial Officer required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended, and 18 U.S.C. Section 1350.
101	Interactive Data File.

23

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		OMNICOM GROUP INC.
Date:	April 21, 2015	/s/ PHILIP J. ANGELASTRO
		Philip J. Angelastro Executive Vice President and Chief Financial Officer (Principal Financial Officer and Authorized Signatory)

24

EX-12

EXHIBIT 12

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(In millions, except ratios)

(Unaudited)

	For the Three Months Ended March 31, 2015
Earnings:
Income before income taxes	$	343.5
Add: Dividends from equity method investments	3.1
Fixed charges	74.2
Total earnings	$	420.8
Fixed charges:
Interest expense (a)	$	43.6
Rent expense interest factor (b)	30.6
Total fixed charges	$	74.2
Ratio of earnings to fixed charges	5.67x

___________________

(a) Interest expense includes interest on third-party indebtedness.

(b) The rent expense interest factor reflects an appropriate portion (one-third) of rent expense representative of interest.

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, John D. Wren, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 of Omnicom Group Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	April 21, 2015	/s/ JOHN D. WREN
		John D. Wren
		Chief Executive Officer and President

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Philip J. Angelastro, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 of Omnicom Group Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	April 21, 2015	/s/ PHILIP J. ANGELASTRO
		Philip J. Angelastro
		Executive Vice President and
		Chief Financial Officer

EX-32

EXHIBIT 32

CERTIFICATION

Pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, in connection with the filing of Omnicom Group Inc.’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2015, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of Omnicom Group Inc. certifies that, to such officer's knowledge:

• the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

• the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Omnicom Group Inc. as of the dates and for the periods expressed in the Report.

Date: April 21, 2015.

/s/ JOHN D. WREN
Name:	John D. Wren
Title:	Chief Executive Officer and President

/s/ PHILIP J. ANGELASTRO
Name:	Philip J. Angelastro
Title:	Executive Vice President and Chief Financial Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, and will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that Omnicom Group Inc. specifically incorporates it by reference.

XML

Supplemental Cash Flow Data

3 Months Ended

Mar. 31, 2015

Supplemental Cash Flow Data [Abstract]

Supplemental Cash Flow Data

Supplemental Cash Flow Data

The change in operating capital for the three months ended March 31, 2015 and 2014 was (in millions):

	2015			2014
(Increase) decrease in accounts receivable	$	467.3		$	627.4
(Increase) decrease in work in process and other current assets	(332.1		)	(188.5		)
Increase (decrease) in accounts payable	(697.8		)	(993.1		)
Increase (decrease) in customer advances and other current liabilities	26.1			(51.4		)
Change in other assets and liabilities, net	(23.0		)	(136.7		)
	$	(559.5	)	$	(742.3	)
Income taxes paid	$	144.3		$	165.9
Interest paid	$	35.2		$	41.6

XML

Condensed Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue	$ 3,469.2	$ 3,502.2
Operating Expenses	3,091.5	3,119.5
Operating Income	377.7	382.7
Interest Expense	43.6	47.7
Interest Income	9.4	8.7
Income Before Income Taxes and Income From Equity Method Investments	343.5	343.7
Income Tax Expense	112.7	116.3
Income (Loss) From Equity Method Investments	(1.0)	0.6
Net Income	229.8	228.0
Net Income Attributed To Noncontrolling Interests	20.7	22.5
Net Income - Omnicom Group Inc.	$ 209.1	$ 205.5
Net Income Per Share - Omnicom Group Inc.:
Basic	$ 0.84	$ 0.78
Diluted	$ 0.83	$ 0.77
Dividends Declared Per Common Share	$ 0.50	$ 0.40

XML

Net Income Per Common Share

3 Months Ended

Mar. 31, 2015

Net Income per Common Share [Abstract]

Net Income per Common Share

Net Income per Common Share

The computation of basic and diluted net income per common share for the three months ended March 31, 2015 and 2014 was (in millions, except per share amounts):

	2015			2014
Net Income Available for Common Shares:
Net income - Omnicom Group Inc.	$	209.1		$	205.5
Net income allocated to participating securities	(2.8		)	(4.1		)
	$	206.3		$	201.4
Weighted Average Shares:
Basic	246.4			259.1
Dilutive stock options and restricted shares	1.0			2.3
Diluted	247.4			261.4
Anti-dilutive stock options and restricted shares	0.1			0.1
Net Income per Common Share - Omnicom Group Inc.:
Basic	$	0.84		$	0.78
Diluted	$	0.83		$	0.77

XML

Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt [Abstract]

Available and Unused Lines of Credit

Available and unused credit lines at March 31, 2015 and December 31, 2014 were (in millions):

	2015		2014
Credit Agreement	$	2,500.0	$	2,500.0
Uncommitted credit lines	908.9		937.8
Available and unused credit lines	$	3,408.9	$	3,437.8

Long-Term Notes Payable

Long-term notes payable at March 31, 2015 and December 31, 2014 were (in millions):

	2015			2014
5.9% Senior Notes due 2016	$	1,000.0		$	1,000.0
6.25% Senior Notes due 2019	500.0			500.0
4.45% Senior Notes due 2020	1,000.0			1,000.0
3.625% Senior Notes due 2022	1,250.0			1,250.0
3.65% Senior Notes due 2024	750.0			750.0
Other notes and loans	0.3			0.5
	4,500.3			4,500.5
Unamortized premium (discount) on Senior Notes, net	10.9			11.1
Adjustment to carrying value for interest rate swaps	82.9			51.4
	4,594.1			4,563.0
Current portion of debt	(0.3		)	(0.4		)
Long-term notes payable	$	4,593.8		$	4,562.6

XML

Commitments and Contingent Liabilities

3 Months Ended

Mar. 31, 2015

Commitments and Contingent Liabilities [Abstract]

Commitments and Contingent Liabilities

Commitments and Contingent Liabilities

In the ordinary course of business, we are involved in various other legal proceedings. We do not presently expect that these other proceedings will have a material adverse effect on our results of operations or financial position.

XML

Supplemental Cash Flow Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Change in Operating Capital [Abstract]
(Increase) decrease in accounts receivable	$ 467.3	$ 627.4
(Increase) decrease in work in process and other current assets	(332.1)	(188.5)
Increase (decrease) in accounts payable	(697.8)	(993.1)
Increase (decrease) in customer advances and other current liabilities	26.1	(51.4)
Change in other assets and liabilities, net	(23.0)	(136.7)
Change in operating capital	(559.5)	(742.3)
Income taxes paid	144.3	165.9
Interest paid	$ 35.2	$ 41.6

XML

Operating Expenses (Tables)

3 Months Ended

Mar. 31, 2015

Operating Expenses [Abstract]

Components of Operating Expenses

Operating expenses for the three months ended March 31, 2015 and 2014 were comprised of (in millions):

	2015		2014
Salary and service costs	$	2,620.8	$	2,622.8
Office and general expenses	470.7		496.7
	$	3,091.5	$	3,119.5

For the three months ended March 31, 2014, we incurred $7.0 million of expenses in connection with the proposed merger with Publicis Groupe S.A.(“Publicis”), which were primarily comprised of professional fees. On May 8, 2014, the proposed merger with Publicis was terminated.

XML

Pension and Other Postemployment Benefits (Tables)

3 Months Ended

Mar. 31, 2015

Defined Benefit Pension Plans [Member]

Components of Net Periodic Benefit Cost

Defined Benefit Pension Plans

The components of net periodic benefit cost for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
Service cost	$	1.2		$	1.7
Interest cost	1.7			1.7
Expected return on plan assets	(0.7		)	(0.7		)
Amortization of prior service cost	1.1			1.1
Amortization of actuarial (gains) losses	1.4			0.5
	$	4.7		$	4.3

Postemployment Arrangements [Member]

Components of Net Periodic Benefit Cost

Postemployment Arrangements

The components of net periodic benefit cost for the three months ended March 31, 2015 and 2014 were (in millions):

	2015		2014
Service cost	$	1.2	$	1.0
Interest cost	1.1		1.1
Amortization of prior service cost	0.8		0.5
Amortization of actuarial (gains) losses	0.4		0.2
	$	3.5	$	2.8

XML

Segment Reporting (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue	$ 3,469.2	$ 3,502.2
Americas
Revenue	2,151.0	2,081.3
Long-lived assets and goodwill	6,136.3	6,101.2
UNITED STATES
Revenue	1,958.2	1,871.8
EMEA
Revenue	961.4	1,061.6
Long-lived assets and goodwill	2,635.6	3,009.0
Asia Pacific
Revenue	356.8	359.3
Long-lived assets and goodwill	$ 549.4	$ 608.5

XML

Fair Value (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Assets:
Cash and cash equivalents	$ 1,526.7		$ 2,388.1
Short-term investments	5.7		2.2
Available-for-sale securities	5.0		4.9
Interest rate and foreign currency derivative instruments	76.5		43.1
Cost method investments	20.8		21.8
Liabilities:
Short-term borrowings	9.6		7.2
Interest rate and foreign currency derivative instruments	4.9		0.4
Contingent purchase price obligations	332.5		300.7
Debt	4,820.9		4,754.9
Carrying Amount
Assets:
Cash and cash equivalents	1,526.7		2,388.1
Short-term investments	5.7		2.2
Available-for-sale securities	5.0		4.9
Interest rate and foreign currency derivative instruments	76.5		43.1
Cost method investments	20.8		21.8
Liabilities:
Short-term borrowings	9.6		7.2
Interest rate and foreign currency derivative instruments	4.9		0.4
Contingent purchase price obligations	332.5		300.7
Debt	4,594.1		4,563.0
Contingent purchase price obligations
Changes in Level 3 Contingent Purchase Price Obligations [Roll Forward]
January 1	300.7	220.2
Acquisitions	46.3	43.2
Revaluation and interest	(2.2)	0.8
Payments	(1.8)	(7.8)
Foreign currency translation	(14.9)	2.0
March 31	332.5	256.8
Fair Value, Measurements, Recurring [Member]
Assets:
Cash and cash equivalents	1,526.7		2,388.1
Short-term investments	5.7		2.2
Available-for-sale securities	5.0		4.9
Interest rate and foreign currency derivative instruments	76.5		43.1
Liabilities:
Foreign currency derivative instruments			0.4
Interest rate and foreign currency derivative instruments	4.9
Contingent purchase price obligations	332.5		300.7
Fair Value, Measurements, Recurring [Member] | Level 1
Assets:
Cash and cash equivalents	1,526.7		2,388.1
Short-term investments	5.7		2.2
Available-for-sale securities	5.0		4.9
Fair Value, Measurements, Recurring [Member] | Level 2
Assets:
Interest rate and foreign currency derivative instruments	76.5		43.1
Liabilities:
Foreign currency derivative instruments			0.4
Interest rate and foreign currency derivative instruments	4.9
Fair Value, Measurements, Recurring [Member] | Level 3
Liabilities:
Contingent purchase price obligations	$ 332.5		$ 300.7

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Net Income Per Common Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Net Income Available for Common Shares:
Net income - Omnicom Group Inc.	$ 209.1	$ 205.5
Net income allocated to participating securities	2.8	4.1
Net income available for common shares	$ 206.3	$ 201.4
Weighted Average Shares:
Basic	246.4	259.1
Dilutive stock options and restricted shares	1.0	2.3
Diluted	247.4	261.4
Anti-dilutive stock options and restricted shares	0.1	0.1
Net Income per Common Share - Omnicom Group Inc.:
Basic	$ 0.84	$ 0.78
Diluted	$ 0.83	$ 0.77

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Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Revenue and Long-Lived Assets and Goodwill by Geographic Region

Revenue and long-lived assets and goodwill by geographic region as of and for the three months ended March 31, 2015 and 2014 were (in millions):

	Americas		EMEA		Asia Pacific
2015
Revenue	$	2,151.0	$	961.4	$	356.8
Long-lived assets and goodwill	6,136.3		2,635.6		549.4
2014
Revenue	$	2,081.3	$	1,061.6	$	359.3
Long-lived assets and goodwill	6,101.2		3,009.0		608.5

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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Unrealized gain (loss) on cash flow hedge, income taxes	$ (1.7)	$ 0
Unrealized gain (loss) on available-for-sale securities, income taxes	0.1	0.1
Foreign currency translation adjustment, income taxes	(175.8)	15.6
Defined benefit pension and postemployment plans adjustment, income taxes	$ 1.5	$ 0.9

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Presentation of Financial Statements

3 Months Ended

Mar. 31, 2015

Presentation of Financial Statements [Abstract]

Presentation of Financial Statements

Presentation of Financial Statements

The terms “Omnicom,” the “Company,” “we,” “our” and “us” each refer to Omnicom Group Inc. and our subsidiaries, unless the context indicates otherwise. The accompanying unaudited condensed consolidated financial statements were prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP” or “GAAP”) for interim financial information and Article 10 of Regulation S-X of the Securities and Exchange Commission. Accordingly, certain information and footnote disclosure have been condensed or omitted.

In our opinion, the accompanying unaudited condensed consolidated financial statements reflect all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation, in all material respects, of the information contained herein. Certain reclassifications have been made to the prior year financial information to conform to the current year presentation. These unaudited condensed consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2014 (“2014 10-K”). Results for the interim periods are not necessarily indicative of results that may be expected for the year.

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Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Goodwill and intangible assets at March 31, 2015 and December 31, 2014 were (in millions):

	2015							2014
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Goodwill	$	9,170.6	$	(530.8	)	$	8,639.8	$	9,377.6	$	(555.4	)	$	8,822.2
Intangible assets:
Purchased and internally developed software	$	296.5	$	(222.1	)	$	74.4	$	298.7	$	(221.4	)	$	77.3
Customer related and other	691.1		(398.3		)	292.8		702.1		(390.0		)	312.1
	$	987.6	$	(620.4	)	$	367.2	$	1,000.8	$	(611.4	)	$	389.4

Changes in goodwill for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
January 1	$	8,822.2		$	8,916.0
Acquisitions	65.1			51.4
Dispositions	(0.3		)	(1.2		)
Foreign currency translation	(247.2		)	20.5
March 31	$	8,639.8		$	8,986.7

There were no goodwill impairment losses recorded in the first three months of 2015 or 2014 and there are no accumulated goodwill impairment losses. Goodwill for acquisitions completed in 2015 and 2014 includes $1.8 million and $10.9 million, respectively, of goodwill attributed to noncontrolling interests in the acquired businesses.

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New Accounting Standards

3 Months Ended

Mar. 31, 2015

New Accounting Standards [Abstract]

New Accounting Standards

New Accounting Standards

In May 2014, the FASB issued FASB ASU 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”), which replaces all existing revenue recognition guidance under U.S. GAAP. ASU 2014-09 is effective for annual and interim periods beginning after December 15, 2016 and early application is not permitted. ASU 2014-09 provides for one of two methods of transition: retrospective application to each prior period presented; or, recognition of the cumulative effect of retrospective application of the new standard in the period of initial application. On April 1, 2015, the FASB proposed a one year deferral of the effective date to December 15, 2017 and early application would be permitted, but not before the original effective date of December 15, 2016. Presently, we are not yet in a position to assess the application date, the transition method we will choose, or the impact of the application on our results of operations or financial position.

In February 2015, the FASB issued FASB ASU 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis (“ASU 2015-02”), which changes the consolidation analysis for both the variable interest model and for the voting model for limited partnerships and similar entities. ASU 2015-02 is effective for annual and interim periods beginning after December 15, 2015 and early application is permitted. ASU 2015-02 provides for one of two methods of transition: retrospective application to each prior period presented; or, recognition of the cumulative effect of retrospective application of the new standard in the period of initial application. We will apply ASU 2015-02 on January 1, 2016 and we do not expect that the application of the new standard will have a significant impact on our results of operations or financial position.

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Supplemental Cash Flow Data (Tables)

3 Months Ended

Mar. 31, 2015

Supplemental Cash Flow Data [Abstract]

Change in Operating Capital

The change in operating capital for the three months ended March 31, 2015 and 2014 was (in millions):

	2015			2014
(Increase) decrease in accounts receivable	$	467.3		$	627.4
(Increase) decrease in work in process and other current assets	(332.1		)	(188.5		)
Increase (decrease) in accounts payable	(697.8		)	(993.1		)
Increase (decrease) in customer advances and other current liabilities	26.1			(51.4		)
Change in other assets and liabilities, net	(23.0		)	(136.7		)
	$	(559.5	)	$	(742.3	)
Income taxes paid	$	144.3		$	165.9
Interest paid	$	35.2		$	41.6

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Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Goodwill, Gross Carrying Value	$ 9,170.6		$ 9,377.6
Goodwill, Accumulated Amortization	(530.8)		(555.4)
Goodwill, Net Carrying Value	8,639.8	8,986.7
Intangible assets:, Gross Carrying Value	987.6		1,000.8
Intangible assets:, Accumulated Amortization	(620.4)		(611.4)
Intangible assets:, Net Carrying Value	367.2		389.4
Goodwill [Roll Forward]
Goodwill, January 1	8,822.2	8,916.0
Goodwill, Acquisitions	65.1	51.4
Goodwill, Dispositions	(0.3)	(1.2)
Goodwill, Foreign currency translation	(247.2)	20.5
Goodwill, March 31	8,639.8	8,986.7
Goodwill, impairment losses	0
Goodwill, accumulated impairment losses	0
Goodwill, acquisitions of noncontrolling interests	1.8	10.9
Purchased and internally developed software
Intangible assets:, Gross Carrying Value	296.5		298.7
Intangible assets:, Accumulated Amortization	(222.1)		(221.4)
Intangible assets:, Net Carrying Value	74.4		77.3
Customer related and other
Intangible assets:, Gross Carrying Value	691.1		702.1
Intangible assets:, Accumulated Amortization	(398.3)		(390.0)
Intangible assets:, Net Carrying Value	$ 292.8		$ 312.1

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Operating Expenses (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating Expenses [Abstract]
Salary and service costs	$ 2,620.8	$ 2,622.8
Office and general expenses	470.7	496.7
Operating expenses	3,091.5	3,119.5
Merger expenses		$ 7.0

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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Allowance for doubtful accounts	$ 23.5	$ 24.9
Accumulated depreciation	1,212.0	1,221.2
Intangible assets, accumulated amortization	$ 620.4	$ 611.4

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Income Taxes

3 Months Ended

Mar. 31, 2015

Income Taxes [Abstract]

Income Taxes

Income Taxes

Our effective tax rate decreased to 32.8% for the three months ended March 31, 2015 from 33.8% for the three months ended March 31, 2014. The decrease is primarily due to a legal entity restructuring of our European operations.  As a result of the reorganization, a certain portion of the not indefinitely reinvested foreign earnings in the affected countries are subject to lower effective tax rates.

At March 31, 2015, our unrecognized tax benefits were $134.7 million. Of this amount, approximately $57.1 million would affect our effective tax rate upon resolution of the uncertain tax positions.

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Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Net Income	$ 229.8	$ 228.0
Unrealized gain (loss) on cash flow hedge, net of income taxes of ($1.7) for the three months ended March 31, 2015	(2.5)	0
Unrealized gain (loss) on available-for-sale securities, net of income taxes of $0.1 and $0.1 for the three months ended March 31, 2015 and 2014, respectively	0.2	0.1
Foreign currency translation adjustment, net of income taxes of ($175.8) and $15.6 for the three months ended March 31, 2015 and 2014, respectively	(341.3)	30.2
Defined benefit pension and postemployment plans adjustment, net of income taxes of $1.5 and $0.9 for the three months ended March 31, 2015 and 2014, respectively	2.2	1.4
Other Comprehensive Income (Loss)	(341.4)	31.7
Comprehensive Income (Loss)	(111.6)	259.7
Comprehensive Income (Loss) Attributed to Noncontrolling Interests	(2.2)	32.3
Comprehensive Income (Loss) - Omnicom Group Inc.	$ (109.4)	$ 227.4

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Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 1,526.7	$ 2,388.1
Short-term investments, at cost	5.7	2.2
Accounts receivable, net of allowance for doubtful accounts of $23.5 and $24.9	5,840.1	6,524.7
Work in process	1,410.3	1,166.6
Other current assets	1,122.1	1,108.9
Total Current Assets	9,904.9	11,190.5
Property and Equipment at cost, less accumulated depreciation of $1,212.0 and $1,221.2	681.5	708.0
Equity Method Investments	142.2	148.2
Goodwill	8,639.8	8,822.2
Intangible Assets, net of accumulated amortization of $620.4 and $611.4	367.2	389.4
Other Assets	335.4	301.4
TOTAL ASSETS	20,071.0	21,559.7
Current Liabilities:
Accounts payable	7,850.2	8,797.5
Customer advances	1,153.3	1,180.9
Current portion of debt	0.3	0.4
Short-term borrowings	9.6	7.2
Taxes payable	226.5	301.1
Other current liabilities	1,781.3	1,774.0
Total Current Liabilities	11,021.2	12,061.1
Long-Term Notes Payable	4,593.8	4,562.6
Long-Term Liabilities	802.6	774.3
Long-Term Deferred Tax Liabilities	643.3	654.7
Commitments and Contingent Liabilities (See Note 11)
Temporary Equity - Redeemable Noncontrolling Interests	177.4	185.7
Shareholders’ Equity:
Preferred stock	0	0
Common stock	59.6	59.6
Additional paid-in capital	852.0	818.6
Retained earnings	9,661.7	9,576.9
Accumulated other comprehensive income (loss)	(936.7)	(618.2)
Treasury stock, at cost	(7,247.1)	(6,986.9)
Total Shareholders’ Equity	2,389.5	2,850.0
Noncontrolling interests	443.2	471.3
Total Equity	2,832.7	3,321.3
TOTAL LIABILITIES AND EQUITY	$ 20,071.0	$ 21,559.7

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Changes in Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2015

Changes in Accumulated Other Comprehensive Income (Loss) [Abstract]

Changes in accumulated other comprehensive income (loss)

The changes in accumulated other comprehensive income (loss) for the three months ended March 31, 2015 and 2014 were (in millions):

2015	Unrealized Gain (Loss) on Cash Flow Hedge			Unrealized Gain (Loss) on Available-for-Sale Securities			Defined Benefit Pension and Postemployment Plans			Foreign Currency Translation			Total
January 1	$	—		$	(1.2	)	$	(92.1	)	$	(524.9	)	$	(618.2	)
Other comprehensive income (loss) before reclassifications	(2.5		)	0.2			—			(318.4		)	(320.7		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			2.2			—			2.2
Other comprehensive income (loss)	(2.5		)	0.2			2.2			(318.4		)	(318.5		)
March 31	$	(2.5	)	$	(1.0	)	$	(89.9	)	$	(843.3	)	$	(936.7	)

2014
January 1	$	—	$	(1.6	)	$	(68.8	)	$	(121.2	)	$	(191.6	)
Other comprehensive income (loss) before reclassifications	—		0.1			—			20.4			20.5
Amounts reclassified from accumulated other comprehensive income (loss)	—		—			1.4			—			1.4
Other comprehensive income (loss)	—		0.1			1.4			20.4			21.9
March 31	$	—	$	(1.5	)	$	(67.4	)	$	(100.8	)	$	(169.7	)

Reclassifications from accumulated other comprehensive income (loss)

Reclassifications from accumulated other comprehensive income (loss) for the three months ended March 31, 2015 and 2014 were (in millions):

	2015		2014
Amortization of defined benefit pension and postemployment plans:
Prior service cost	$	1.9	$	1.6
Actuarial (gains) losses	1.8		0.7
Net periodic benefit cost (see Note 8)	3.7		2.3
Income taxes	1.5		0.9
Periodic benefit cost, net of income tax	$	2.2	$	1.4

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Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and intangible assets at March 31, 2015 and December 31, 2014 were (in millions):

	2015							2014
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Goodwill	$	9,170.6	$	(530.8	)	$	8,639.8	$	9,377.6	$	(555.4	)	$	8,822.2
Intangible assets:
Purchased and internally developed software	$	296.5	$	(222.1	)	$	74.4	$	298.7	$	(221.4	)	$	77.3
Customer related and other	691.1		(398.3		)	292.8		702.1		(390.0		)	312.1
	$	987.6	$	(620.4	)	$	367.2	$	1,000.8	$	(611.4	)	$	389.4

Changes in Goodwill

Changes in goodwill for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
January 1	$	8,822.2		$	8,916.0
Acquisitions	65.1			51.4
Dispositions	(0.3		)	(1.2		)
Foreign currency translation	(247.2		)	20.5
March 31	$	8,639.8		$	8,986.7

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Changes in Accumulated Other Comprehensive Income (Loss) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
January 1	$ (618,200,000)	$ (191,600,000)
Other comprehensive income (loss) before reclassifications	(320,700,000)	20,500,000
Amounts reclassified from accumulated other comprehensive income (loss)	2,200,000	1,400,000
Other comprehensive income (loss)	(318,500,000)	21,900,000
March 31	(936,700,000)	(169,700,000)
Reclassification out of Accumulated Other Comprehensive Income [Abstract]
Cash flow hedge liability, fair value	4,200,000
Unrealized Gain (Loss) on Cash Flow Hedge
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
January 1	0
Other comprehensive income (loss) before reclassifications	(2,500,000)	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Other comprehensive income (loss)	(2,500,000)	0
March 31	(2,500,000)	0
Unrealized Gain (Loss) on Available-for-Sale Securities
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
January 1	(1,200,000)	(1,600,000)
Other comprehensive income (loss) before reclassifications	200,000	100,000
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Other comprehensive income (loss)	200,000	100,000
March 31	(1,000,000)	(1,500,000)
Defined Benefit Pension and Postemployment Plans
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
January 1	(92,100,000)	(68,800,000)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	2,200,000	1,400,000
Other comprehensive income (loss)	2,200,000	1,400,000
March 31	(89,900,000)	(67,400,000)
Defined Benefit Pension and Postemployment Plans | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Abstract]
Prior service cost	1,900,000	1,600,000
Actuarial (gains) losses	1,800,000	700,000
Net periodic benefit cost (see Note 8)	3,700,000	2,300,000
Income taxes	1,500,000	900,000
Periodic benefit cost, net of income tax	2,200,000	1,400,000
Foreign Currency Translation
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
January 1	(524,900,000)	(121,200,000)
Other comprehensive income (loss) before reclassifications	(318,400,000)	20,400,000
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Other comprehensive income (loss)	(318,400,000)	20,400,000
March 31	(843,300,000)	(100,800,000)
Cash Flow Hedge [Member]
Reclassification out of Accumulated Other Comprehensive Income [Abstract]
Cash flow hedge, notional amount	$ 1,000,000,000
Cash flow hedge, fixed interest rate	2.3209%
Cash flow hedge, inception date	Mar. 26, 2015
Cash flow hedge, maturity date	May 02, 2016

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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 Rate	Mar. 31, 2014 Rate
Income Taxes [Abstract]
Effective tax rate	32.80%	33.80%
Unrecognized tax benefits	$ 134.7
Unrecognized tax benefits that would impact effective tax rate	$ 57.1

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Pension and Other Postemployment Benefits (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Defined Benefit Pension Plans [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	$ 1.2	$ 1.7
Interest cost	1.7	1.7
Expected return on plan assets	(0.7)	(0.7)
Amortization of prior service cost	1.1	1.1
Amortization of actuarial (gains) losses	1.4	0.5
Net periodic benefit cost	4.7	4.3
Defined benefit pension plans, contributions by employer	0.4	0.2
Postemployment Arrangements [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	1.2	1.0
Interest cost	1.1	1.1
Amortization of prior service cost	0.8	0.5
Amortization of actuarial (gains) losses	0.4	0.2
Net periodic benefit cost	$ 3.5	$ 2.8

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Segment Reporting

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Segment Reporting

Segment Reporting

Our five branded agency networks operate in the advertising, marketing and corporate communications services industry, and are organized into agency networks, virtual client networks, regional reporting units and operating groups. The agency networks' regional reporting units comprise three principal regions; the Americas, EMEA and Asia Pacific. The regional reporting units monitor the performance and are responsible for the agencies in their region. Agencies within the regional reporting units serve similar clients in similar industries and in many cases the same clients and have similar economic characteristics. The main economic components of each agency are employee compensation and related costs and direct service costs and office and general costs which include rent and occupancy costs, technology costs and other overhead expenses. Therefore, given these similarities, we aggregate our operating segments, which are our five agency networks, into one reporting segment.

Revenue and long-lived assets and goodwill by geographic region as of and for the three months ended March 31, 2015 and 2014 were (in millions):

	Americas		EMEA		Asia Pacific
2015
Revenue	$	2,151.0	$	961.4	$	356.8
Long-lived assets and goodwill	6,136.3		2,635.6		549.4
2014
Revenue	$	2,081.3	$	1,061.6	$	359.3
Long-lived assets and goodwill	6,101.2		3,009.0		608.5

The Americas comprises North America, which includes the United States, Canada and Puerto Rico, and Latin America, which includes Mexico. EMEA comprises the United Kingdom, the Euro currency countries, other European countries that have not adopted the European Union Monetary standard, the Middle East and Africa. Asia Pacific comprises Australia, China, India, Japan, Korea, New Zealand, Singapore and other Asian countries. Revenue in the United States for the three months ended March 31, 2015 and 2014 was $1,958.2 million and $1,871.8 million, respectively.

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Fair Value (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value [Abstract]

Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis

Financial assets and liabilities measured at fair value on a recurring basis at March 31, 2015 and December 31, 2014 were (in millions):

2015	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	1,526.7					$	1,526.7
Short-term investments	5.7						5.7
Available-for-sale securities	5.0						5.0
Interest rate and foreign currency derivative instruments			$	76.5			76.5
Liabilities:
Interest rate and foreign currency derivative instruments			$	4.9			$	4.9
Contingent purchase price obligations					$	332.5	332.5

2014
Assets:
Cash and cash equivalents	$	2,388.1					$	2,388.1
Short-term investments	2.2						2.2
Available-for-sale securities	4.9						4.9
Interest rate and foreign currency derivative instruments			$	43.1			43.1
Liabilities:
Foreign currency derivative instruments			$	0.4			$	0.4
Contingent purchase price obligations					$	300.7	300.7

Changes in Level 3 Contingent Purchase Price Obligations

The changes in Level 3 contingent purchase price obligations for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
January 1	$	300.7		$	220.2
Acquisitions	46.3			43.2
Revaluation and interest	2.2			(0.8		)
Payments	(1.8		)	(7.8		)
Foreign currency translation	(14.9		)	2.0
March 31	$	332.5		$	256.8

Carrying Amounts and Fair Value of Financial Instruments

The carrying amount and fair value of our financial instruments at March 31, 2015 and December 31, 2014 were (in millions):

	2015				2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	1,526.7	$	1,526.7	$	2,388.1	$	2,388.1
Short-term investments	5.7		5.7		2.2		2.2
Available-for-sale securities	5.0		5.0		4.9		4.9
Interest rate and foreign currency derivative instruments	76.5		76.5		43.1		43.1
Cost method investments	20.8		20.8		21.8		21.8
Liabilities:
Short-term borrowings	$	9.6	$	9.6	$	7.2	$	7.2
Interest rate and foreign currency derivative instruments	4.9		4.9		0.4		0.4
Contingent purchase price obligations	332.5		332.5		300.7		300.7
Debt	4,594.1		4,820.9		4,563.0		4,754.9

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Operating Expenses

3 Months Ended

Mar. 31, 2015

Operating Expenses [Abstract]

Operating Expenses

Operating Expenses

Operating expenses for the three months ended March 31, 2015 and 2014 were comprised of (in millions):

	2015		2014
Salary and service costs	$	2,620.8	$	2,622.8
Office and general expenses	470.7		496.7
	$	3,091.5	$	3,119.5

For the three months ended March 31, 2014, we incurred $7.0 million of expenses in connection with the proposed merger with Publicis Groupe S.A.(“Publicis”), which were primarily comprised of professional fees. On May 8, 2014, the proposed merger with Publicis was terminated.

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Debt

3 Months Ended

Mar. 31, 2015

Debt [Abstract]

Debt

Debt

Lines of Credit

We maintain a $2.5 billion line of credit (“Credit Agreement”) expiring on July 31, 2019. We have the ability to classify borrowings under the Credit Agreement as long-term. Additionally, we can issue up to $2.0 billion of commercial paper. At March 31, 2015 and December 31, 2014 there were no outstanding commercial paper issuances or borrowings under the Credit Agreement. We also have uncommitted credit lines aggregating $908.9 million and $937.8 million at March 31, 2015 and December 31, 2014, respectively.

Available and unused credit lines at March 31, 2015 and December 31, 2014 were (in millions):

	2015		2014
Credit Agreement	$	2,500.0	$	2,500.0
Uncommitted credit lines	908.9		937.8
Available and unused credit lines	$	3,408.9	$	3,437.8

The Credit Agreement contains financial covenants that require us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA of no more than 3 times for the most recently ended 12-month period (under the Credit Agreement, EBITDA is defined as earnings before interest, taxes, depreciation and amortization) and an Interest Coverage Ratio of consolidated EBITDA to interest expense of at least 5 times for the most recently ended 12-month period.At March 31, 2015, we were in compliance with these covenants, as our Leverage Ratio was 2.0 times and our Interest Coverage Ratio was 12.9 times. The Credit Agreement does not limit our ability to declare or pay dividends or repurchase our common stock.

Short-Term Borrowings

Short-term borrowings of $9.6 million and $7.2 million at March 31, 2015 and December 31, 2014, respectively, are comprised of bank overdrafts and credit lines of our international subsidiaries. The bank overdrafts and credit lines are treated as unsecured loans pursuant to the agreements supporting the facilities. Due to the short-term nature of these instruments, carrying value approximates fair value.

Long-Term Notes Payable

Long-term notes payable at March 31, 2015 and December 31, 2014 were (in millions):

	2015			2014
5.9% Senior Notes due 2016	$	1,000.0		$	1,000.0
6.25% Senior Notes due 2019	500.0			500.0
4.45% Senior Notes due 2020	1,000.0			1,000.0
3.625% Senior Notes due 2022	1,250.0			1,250.0
3.65% Senior Notes due 2024	750.0			750.0
Other notes and loans	0.3			0.5
	4,500.3			4,500.5
Unamortized premium (discount) on Senior Notes, net	10.9			11.1
Adjustment to carrying value for interest rate swaps	82.9			51.4
	4,594.1			4,563.0
Current portion of debt	(0.3		)	(0.4		)
Long-term notes payable	$	4,593.8		$	4,562.6

In 2014, we entered into receive fixed pay floating interest rate swaps on the $1.25 billion principal amount of our 3.625% Senior Notes due 2022 (“2022 Notes”) and on the $1 billion principal amount of our 4.45% Senior Notes due 2020 (“2020 Notes”). The interest rate swaps hedge the risk of changes in fair value of the 2022 Notes and the 2020 Notes attributable to changes in the benchmark LIBOR interest rate. Under the swap contracts, we receive fixed interest payments equal to the coupon interest rate on the 2022 Notes and the 2020 Notes and pay a variable interest rate on the total principal amount of the notes, equal to three month LIBOR in arrears, plus a spread of 1.05% on the 2022 Notes and a spread of 2.16% on the 2020 Notes. The swaps qualify and are designated as fair value hedges on the 2022 Notes and 2020 Notes, respectively. The swaps have the economic effect of converting the 2022 Notes and the 2020 Notes from fixed rate debt to floating rate debt. Gains and losses attributed to changes in the fair value of the interest rate swaps substantially offset changes in the fair value of the 2022 Notes and the 2020 Notes attributed to changes in the benchmark interest rate. The net interest settlement is recorded in interest expense. At March 31, 2015 and December 31, 2014, we recorded a receivable, which is included in other assets, of $76.0 million and $42.7 million, respectively, representing the fair value of the swaps that was substantially offset by the increase in the carrying value of the 2022 Notes and the 2020 Notes reflecting the change in fair value of the notes. Accordingly, any hedge ineffectiveness was not material to our results of operations.

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Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operating Activities:
Net Income	$ 229.8	$ 228.0
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	46.9	46.5
Amortization of intangible assets	27.3	24.4
Share-based compensation	24.6	21.6
Excess tax benefit from share-based compensation	(10.9)	(8.8)
Other, net	3.8	0.3
Change in operating capital	(559.5)	(742.3)
Net Cash Used In Operating Activities	(238.0)	(430.3)
Cash Flows from Investing Activities:
Capital expenditures	(38.2)	(42.5)
Acquisition of businesses and interests in affiliates, net of cash acquired	(22.8)	(11.9)
(Purchase of) proceeds from investments, net	(3.9)	11.9
Net Cash Used In Investing Activities	(64.9)	(42.5)
Cash Flows from Financing Activities:
Proceeds from short-term debt	2.7	1.7
Dividends paid to common shareholders	(126.2)	(105.9)
Repurchases of common stock	(270.7)	(22.1)
Proceeds from stock plans	3.7	4.8
Acquisition of additional noncontrolling interests	(3.1)	(8.4)
Dividends paid to noncontrolling interest shareholders	(25.0)	(24.8)
Payment of contingent purchase price obligations	(1.8)	(7.8)
Excess tax benefit from share-based compensation	10.9	8.8
Other, net	(9.0)	(3.2)
Net Cash Used In Financing Activities	(418.5)	(156.9)
Effect of foreign exchange rate changes on cash and cash equivalents	(140.0)	1.3
Net Decrease in Cash and Cash Equivalents	(861.4)	(628.4)
Cash and Cash Equivalents at the Beginning of Period	2,388.1	2,710.5
Cash and Cash Equivalents at the End of Period	$ 1,526.7	$ 2,082.1

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Debt (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Lines of Credit [Abstract]
Available and unused credit lines	$ 3,408,900,000	$ 3,437,800,000
Short-Term Borrowings [Abstract]
Short-term borrowings	9,600,000	7,200,000
Long-Term Notes Payable [Abstract]
Long-term notes payable, carrying amount	4,500,300,000	4,500,500,000
Unamortized premium (discount) on Senior Notes, net	10,900,000	11,100,000
Adjustment to carrying value for interest rate swaps	82,900,000	51,400,000
Long-term notes payable, total	4,594,100,000	4,563,000,000
Long-term notes payable, current portion	(300,000)	(400,000)
Long-Term Notes Payable	4,593,800,000	4,562,600,000
Interest rate swaps, fair value	76,000,000	42,700,000
Credit Agreement expiring July 31, 2019 [Member]
Lines of Credit [Abstract]
Credit Agreement, maximum borrowing capacity	2,500,000,000
Credit Agreement, expiration date	Jul. 31, 2019
Available and unused credit lines	2,500,000,000	2,500,000,000
Credit Agreement, covenant terms	The Credit Agreement contains financial covenants that require us to maintain a Leverage Ratio of consolidated indebtedness to consolidated EBITDA of no more than 3 times for the most recently ended 12-month period (under the Credit Agreement, EBITDA is defined as earnings before interest, taxes, depreciation and amortization) and an Interest Coverage Ratio of consolidated EBITDA to interest expense of at least 5 times for the most recently ended 12-month period.
Credit Agreement, covenant compliance	At March 31, 2015, we were in compliance with these covenants, as our Leverage Ratio was 2.0 times and our Interest Coverage Ratio was 12.9 times.
Credit Agreement expiring July 31, 2019 [Member] | Commercial Paper [Member]
Lines of Credit [Abstract]
Credit Agreement, maximum borrowing capacity	2,000,000,000
Uncommitted lines of credit [Member]
Lines of Credit [Abstract]
Available and unused credit lines	908,900,000	937,800,000
5.9% Senior Notes due 2016
Long-Term Notes Payable [Abstract]
Long-term notes payable, carrying amount	1,000,000,000	1,000,000,000
Interest rate	5.90%
Maturity date	Apr. 15, 2016
6.25% Senior Notes due 2019
Long-Term Notes Payable [Abstract]
Long-term notes payable, carrying amount	500,000,000	500,000,000
Interest rate	6.25%
Maturity date	Jul. 15, 2019
4.45% Senior Notes due 2020
Long-Term Notes Payable [Abstract]
Long-term notes payable, carrying amount	1,000,000,000	1,000,000,000
Interest rate	4.45%
Maturity date	Aug. 15, 2020
3.625% Senior Notes due 2022
Long-Term Notes Payable [Abstract]
Long-term notes payable, carrying amount	1,250,000,000	1,250,000,000
Interest rate	3.625%
Maturity date	May 01, 2022
3.65% Senior Notes due 2024
Long-Term Notes Payable [Abstract]
Long-term notes payable, carrying amount	750,000,000	750,000,000
Interest rate	3.65%
Maturity date	Nov. 01, 2024
Other notes and loans
Long-Term Notes Payable [Abstract]
Long-term notes payable, carrying amount	300,000	500,000
Interest Rate Swaps on 2022 Notes [Member]
Long-Term Notes Payable [Abstract]
Interest rate swaps, hedged amount	1,250,000,000
Interest Rate Swaps on 2020 Notes [Member]
Long-Term Notes Payable [Abstract]
Interest rate swaps, hedged amount	$ 1,000,000,000
LIBOR [Member] | Interest Rate Swaps on 2022 Notes [Member]
Long-Term Notes Payable [Abstract]
Interest rate swaps, spread	1.05%
LIBOR [Member] | Interest Rate Swaps on 2020 Notes [Member]
Long-Term Notes Payable [Abstract]
Interest rate swaps, spread	2.16%

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Changes in Accumulated Other Comprehensive Income (Loss)

3 Months Ended

Mar. 31, 2015

Changes in Accumulated Other Comprehensive Income (Loss) [Abstract]

Changes in Accumulated Other Comprehensive Income (Loss)

Changes in Accumulated Other Comprehensive Income (Loss)

The changes in accumulated other comprehensive income (loss) for the three months ended March 31, 2015 and 2014 were (in millions):

2015	Unrealized Gain (Loss) on Cash Flow Hedge			Unrealized Gain (Loss) on Available-for-Sale Securities			Defined Benefit Pension and Postemployment Plans			Foreign Currency Translation			Total
January 1	$	—		$	(1.2	)	$	(92.1	)	$	(524.9	)	$	(618.2	)
Other comprehensive income (loss) before reclassifications	(2.5		)	0.2			—			(318.4		)	(320.7		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			2.2			—			2.2
Other comprehensive income (loss)	(2.5		)	0.2			2.2			(318.4		)	(318.5		)
March 31	$	(2.5	)	$	(1.0	)	$	(89.9	)	$	(843.3	)	$	(936.7	)

2014
January 1	$	—	$	(1.6	)	$	(68.8	)	$	(121.2	)	$	(191.6	)
Other comprehensive income (loss) before reclassifications	—		0.1			—			20.4			20.5
Amounts reclassified from accumulated other comprehensive income (loss)	—		—			1.4			—			1.4
Other comprehensive income (loss)	—		0.1			1.4			20.4			21.9
March 31	$	—	$	(1.5	)	$	(67.4	)	$	(100.8	)	$	(169.7	)

On March 26, 2015, we entered into a $1 billion receive floating (3 Month LIBOR) pay fixed (2.3209%) forward-starting 10-year interest rate swap in connection with the upcoming maturity of our $1 billion 5.9% Senior Notes on April 15, 2016. The swap mitigates the risk of changes in the semi-annual interest payments during the period March 26, 2015 to May 2, 2016, the contractual termination date of the swap, and effectively locks in the fixed interest rate, excluding the effect of our credit spread, on any refinancing. Accordingly, the swap is designated as a cash flow hedge of the semi-annual interest rate payments attributable to changes in the benchmark interest rate. We expect that the swap will have almost no ineffectiveness and is carried on the balance sheet at fair value and any net gain or loss on the swap is recorded in accumulated other comprehensive income. Upon termination of the swap, any gain or loss will be amortized to interest expense or will be recorded in our results of operations if the refinancing is not completed. At March 31, 2015, we recorded a liability of $4.2 million, which is included in long-term liabilities and the related loss of $2.5 million, net of income taxes, in other comprehensive income.

Reclassifications from accumulated other comprehensive income (loss) for the three months ended March 31, 2015 and 2014 were (in millions):

	2015		2014
Amortization of defined benefit pension and postemployment plans:
Prior service cost	$	1.9	$	1.6
Actuarial (gains) losses	1.8		0.7
Net periodic benefit cost (see Note 8)	3.7		2.3
Income taxes	1.5		0.9
Periodic benefit cost, net of income tax	$	2.2	$	1.4

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Pension and Other Postemployment Benefits

3 Months Ended

Mar. 31, 2015

Pension and Other Postemployment Benefits [Abstract]

Pension and Other Postemployment Benefits

Pension and Other Postemployment Benefits

Defined Benefit Pension Plans

The components of net periodic benefit cost for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
Service cost	$	1.2		$	1.7
Interest cost	1.7			1.7
Expected return on plan assets	(0.7		)	(0.7		)
Amortization of prior service cost	1.1			1.1
Amortization of actuarial (gains) losses	1.4			0.5
	$	4.7		$	4.3

We contributed $0.4 million and $0.2 million to our defined benefit pension plans in the three months ended March 31, 2015 and 2014, respectively.

Postemployment Arrangements

The components of net periodic benefit cost for the three months ended March 31, 2015 and 2014 were (in millions):

	2015		2014
Service cost	$	1.2	$	1.0
Interest cost	1.1		1.1
Amortization of prior service cost	0.8		0.5
Amortization of actuarial (gains) losses	0.4		0.2
	$	3.5	$	2.8

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Net Income Per Common Share (Tables)

3 Months Ended

Mar. 31, 2015

Net Income per Common Share [Abstract]

Computations of Basic and Diluted Net Income per Common Share - Omnicom Group Inc.

The computation of basic and diluted net income per common share for the three months ended March 31, 2015 and 2014 was (in millions, except per share amounts):

	2015			2014
Net Income Available for Common Shares:
Net income - Omnicom Group Inc.	$	209.1		$	205.5
Net income allocated to participating securities	(2.8		)	(4.1		)
	$	206.3		$	201.4
Weighted Average Shares:
Basic	246.4			259.1
Dilutive stock options and restricted shares	1.0			2.3
Diluted	247.4			261.4
Anti-dilutive stock options and restricted shares	0.1			0.1
Net Income per Common Share - Omnicom Group Inc.:
Basic	$	0.84		$	0.78
Diluted	$	0.83		$	0.77

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Fair Value

3 Months Ended

Mar. 31, 2015

Fair Value [Abstract]

Fair Value

Fair Value

Financial assets and liabilities measured at fair value on a recurring basis at March 31, 2015 and December 31, 2014 were (in millions):

2015	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	1,526.7					$	1,526.7
Short-term investments	5.7						5.7
Available-for-sale securities	5.0						5.0
Interest rate and foreign currency derivative instruments			$	76.5			76.5
Liabilities:
Interest rate and foreign currency derivative instruments			$	4.9			$	4.9
Contingent purchase price obligations					$	332.5	332.5

2014
Assets:
Cash and cash equivalents	$	2,388.1					$	2,388.1
Short-term investments	2.2						2.2
Available-for-sale securities	4.9						4.9
Interest rate and foreign currency derivative instruments			$	43.1			43.1
Liabilities:
Foreign currency derivative instruments			$	0.4			$	0.4
Contingent purchase price obligations					$	300.7	300.7

The changes in Level 3 contingent purchase price obligations for the three months ended March 31, 2015 and 2014 were (in millions):

	2015			2014
January 1	$	300.7		$	220.2
Acquisitions	46.3			43.2
Revaluation and interest	2.2			(0.8		)
Payments	(1.8		)	(7.8		)
Foreign currency translation	(14.9		)	2.0
March 31	$	332.5		$	256.8

The carrying amount and fair value of our financial instruments at March 31, 2015 and December 31, 2014 were (in millions):

	2015				2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Cash and cash equivalents	$	1,526.7	$	1,526.7	$	2,388.1	$	2,388.1
Short-term investments	5.7		5.7		2.2		2.2
Available-for-sale securities	5.0		5.0		4.9		4.9
Interest rate and foreign currency derivative instruments	76.5		76.5		43.1		43.1
Cost method investments	20.8		20.8		21.8		21.8
Liabilities:
Short-term borrowings	$	9.6	$	9.6	$	7.2	$	7.2
Interest rate and foreign currency derivative instruments	4.9		4.9		0.4		0.4
Contingent purchase price obligations	332.5		332.5		300.7		300.7
Debt	4,594.1		4,820.9		4,563.0		4,754.9

The estimated fair value of the foreign currency and interest rate derivative instruments is determined using model-derived valuations, taking into consideration foreign currency rates for the foreign currency derivatives and readily observable inputs for LIBOR interest rates and yield curves to derive the present value of the future cash flows for the interest rate swap derivatives and counterparty credit risk for each. The estimated fair value of the contingent purchase price obligations is calculated in accordance with the terms of each acquisition agreement and is discounted. The fair value of debt is based on quoted market prices.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2015	Apr. 10, 2015
Document Information [Line Items]
Entity Registrant Name	OMNICOM GROUP INC.
Entity Central Index Key	0000029989
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		244,312,135

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Subsequent Events

3 Months Ended

Mar. 31, 2015

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

We have evaluated events subsequent to the balance sheet date and determined there have not been any events that have occurred that would require adjustment to or disclosure in the condensed consolidated financial statements.