10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

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

For the Quarterly Period Ended March 31, 2018

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

For the transition period from                     to                    .

Commission File Number 001-08454

ACCO Brands Corporation

(Exact Name of Registrant as Specified in Its Charter)

Delaware	36-2704017
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification Number)

Four Corporate Drive

Lake Zurich, Illinois 60047

(Address of Registrant’s Principal Executive Office, Including Zip Code)

(847) 541-9500

(Registrant’s Telephone Number, Including Area Code)

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  x    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 (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  o

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

Large accelerated filer	x	Accelerated filer	o
Non-accelerated filer	o (Do not check if a smaller reporting company)	Smaller reporting company	o
		Emerging growth company	o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. 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  x

As of April 24, 2018, the registrant had outstanding 107,206,084 shares of Common Stock.

Cautionary Statement Regarding Forward-Looking Statements

Certain statements contained in this Quarterly Report on Form 10-Q other than statements of historical fact, particularly those anticipating future financial performance, business prospects, growth, operating strategies and similar matters are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These statements, which are generally identifiable by the use of the words "will," "believe," "expect," "intend," "anticipate," "estimate," "forecast," "project," "plan," and similar expressions, are subject to certain risks and uncertainties, are made as of the date hereof, and we undertake no duty or obligation to update them. Because actual results may differ materially from those suggested or implied by such forward-looking statements, you should not place undue reliance on them when deciding whether to buy, sell or hold the Company's securities.

Some of the factors that could affect our results or cause plans, actions and results to differ materially from current expectations are detailed in "Part I, Item 1. Business" and "Part I, Item 1A. Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2017, and the financial statement line item discussions set forth in "Part I, Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations" of this Quarterly Report on Form 10-Q and from time to time in our other Securities and Exchange Commission (the "SEC") filings.

Website Access to Securities and Exchange Commission Reports

The Company’s Internet website can be found at www.accobrands.com. The Company makes available free of charge on or through its website its Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 as soon as practicable after the Company files them with, or furnishes them to, the SEC.

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TABLE OF CONTENTS

PART I — FINANCIAL INFORMATION	4
Item 1. Financial Statements	4
Condensed Consolidated Balance Sheets	4
Consolidated Statements of Income	5
Consolidated Statements of Comprehensive Income	6
Condensed Consolidated Statements of Cash Flows	7
Notes to Condensed Consolidated Financial Statements	8
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	27
Item 3. Quantitative and Qualitative Disclosures About Market Risk	34
Item 4. Controls and Procedures	34
PART II — OTHER INFORMATION	35
Item 1. Legal Proceedings	35
Item 1A. Risk Factors	35
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	35
Item 3. Defaults Upon Senior Securities	35
Item 4. Mine Safety Disclosures	36
Item 5. Other Information	36
Item 6. Exhibits	36
SIGNATURES	37

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PART I — FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

ACCO Brands Corporation and Subsidiaries

Condensed Consolidated Balance Sheets

	March 31, 2018			December 31, 2017
(in millions of dollars)	(unaudited)
Assets
Current assets:
Cash and cash equivalents	$	122.7		$	76.9
Accounts receivable, net	316.1			469.3
Inventories	294.5			254.2
Other current assets	51.5			29.2
Total current assets	784.8			829.6
Total property, plant and equipment	657.1			645.2
Less: accumulated depreciation	(376.8		)	(366.7		)
Property, plant and equipment, net	280.3			278.5
Deferred income taxes	132.9			137.9
Goodwill	667.9			670.3
Identifiable intangibles, net	838.1			839.9
Other non-current assets	50.7			42.9
Total assets	$	2,754.7		$	2,799.1
Liabilities and Stockholders' Equity
Current liabilities:
Notes payable	$	0.7		$	—
Current portion of long-term debt	42.0			43.2
Accounts payable	188.6			178.2
Accrued compensation	40.4			60.9
Accrued customer program liabilities	98.5			141.1
Accrued interest	6.8			1.2
Other current liabilities	112.1			113.8
Total current liabilities	489.1			538.4
Long-term debt, net	908.4			889.2
Deferred income taxes	174.8			177.1
Pension and post-retirement benefit obligations	268.3			275.5
Other non-current liabilities	149.1			144.8
Total liabilities	1,989.7			2,025.0
Stockholders' equity:
Common stock	1.1			1.1
Treasury stock	(33.9		)	(26.4		)
Paid-in capital	1,999.1			1,999.7
Accumulated other comprehensive loss	(467.4		)	(461.1		)
Accumulated deficit	(733.9		)	(739.2		)
Total stockholders' equity	765.0			774.1
Total liabilities and stockholders' equity	$	2,754.7		$	2,799.1

See Notes to Condensed Consolidated Financial Statements (Unaudited).

4

ACCO Brands Corporation and Subsidiaries

Consolidated Statements of Income

(Unaudited)

	Three Months Ended March 31,
(in millions of dollars, except per share data)	2018			2017
Net sales	$	405.8		$	359.8
Cost of products sold	278.3			248.9
Gross profit	127.5			110.9
Operating costs and expenses:
Selling, general and administrative expenses	101.8			94.2
Amortization of intangibles	9.3			8.0
Restructuring charges	4.7			1.5
Total operating costs and expenses	115.8			103.7
Operating income	11.7			7.2
Non-operating expense (income):
Interest expense	9.4			9.8
Interest income	(1.0		)	(1.3		)
Non-operating pension income	(2.2		)	(2.1		)
Other (income) expense, net	(0.6		)	0.7
Income before income tax	6.1			0.1
Income tax benefit	(4.3		)	(3.5		)
Net income	$	10.4		$	3.6
Per share:
Basic income per share	$	0.10		$	0.03
Diluted income per share	$	0.09		$	0.03
Weighted average number of shares outstanding:
Basic	106.8			108.3
Diluted	110.0			112.4
Dividends per common share	$	0.06		$	—

See Notes to Condensed Consolidated Financial Statements (Unaudited).

5

ACCO Brands Corporation and Subsidiaries

Consolidated Statements of Comprehensive Income

(Unaudited)

	Three Months Ended March 31,
(in millions of dollars)	2018			2017
Net income	$	10.4		$	3.6
Other comprehensive (loss) income, net of tax:
Unrealized income (loss) on derivative instruments, net of tax (expense) benefit of $(0.3) and $0.7, respectively	0.6			(1.9		)
Foreign currency translation adjustments, net of tax (expense) benefit of $(2.7) and $0.0, respectively	(4.3		)	12.5
Recognition of deferred pension and other post-retirement items, net of tax benefit of $0.9 and $0.1, respectively	(2.6		)	(0.5		)
Other comprehensive (loss) income, net of tax	(6.3		)	10.1
Comprehensive income	$	4.1		$	13.7

See Notes to Condensed Consolidated Financial Statements (Unaudited).

6

ACCO Brands Corporation and Subsidiaries

Condensed Consolidated Statements of Cash Flows

(Unaudited)

	Three Months Ended March 31,
(in millions of dollars)	2018			2017
Operating activities
Net income	$	10.4		$	3.6
Amortization of inventory step-up	—			0.9
Loss on disposal of assets	0.1			—
Depreciation	9.0			9.0
Amortization of debt issuance costs	0.5			1.4
Amortization of intangibles	9.3			8.0
Stock-based compensation	3.2			2.4
Changes in balance sheet items:
Accounts receivable	162.0			165.3
Inventories	(43.5		)	(31.2		)
Other assets	(8.0		)	(0.8		)
Accounts payable	8.8			(4.3		)
Accrued expenses and other liabilities	(78.7		)	(73.4		)
Accrued income taxes	(12.7		)	(15.5		)
Net cash provided by operating activities	60.4			65.4
Investing activities
Additions to property, plant and equipment	(8.0		)	(5.2		)
Proceeds from the disposition of assets	—			0.1
Cost of acquisitions, net of cash acquired	—			(292.6		)
Net cash used by investing activities	(8.0		)	(297.7		)
Financing activities
Proceeds from long-term borrowings	21.5			412.0
Repayments of long-term debt	(11.6		)	(94.4		)
Borrowings of notes payable, net	0.7			—
Payments for debt issuance costs	—			(3.4		)
Dividends paid	(6.4		)	—
Repurchases of common stock	(9.1		)	—
Payments related to tax withholding for stock-based compensation	(7.4		)	(9.2		)
Proceeds from the exercise of stock options	5.3			1.4
Net cash (used) provided by financing activities	(7.0		)	306.4
Effect of foreign exchange rate changes on cash and cash equivalents	0.4			1.3
Net increase in cash and cash equivalents	45.8			75.4
Cash and cash equivalents
Beginning of the period	76.9			42.9
End of the period	$	122.7		$	118.3

See Notes to Condensed Consolidated Financial Statements (Unaudited).

7

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited)

1. Basis of Presentation

As used in this Quarterly Report on Form 10-Q for the quarter ended March 31, 2018, the terms "ACCO Brands," "ACCO," the "Company," "we," "us," and "our" refer to ACCO Brands Corporation and its consolidated subsidiaries.

The management of ACCO Brands Corporation is responsible for the accuracy and internal consistency of the preparation of the condensed consolidated financial statements and notes contained in this Quarterly Report on Form 10-Q.

The condensed consolidated interim financial statements have been prepared pursuant to the rules and regulations of the SEC. Although the Company believes the disclosures are adequate to make the information presented not misleading, certain information and note disclosures normally included in annual financial statements prepared in accordance with generally accepted accounting principles in the U.S. ("GAAP") have been condensed or omitted pursuant to those rules and regulations. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

The Condensed Consolidated Balance Sheet as of March 31, 2018, the related Consolidated Statements of Income and the Consolidated Statements of Comprehensive Income for the three months ended March 31, 2018 and 2017 and Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2018 and 2017 are unaudited. The December 31, 2017 Condensed Consolidated Balance Sheet data was derived from audited financial statements, but does not include all annual disclosures required by GAAP. The above referenced financial statements included herein were prepared by management and reflect all adjustments (consisting solely of normal recurring items unless otherwise noted) which are, in the opinion of management, necessary for the fair presentation of results of operations and cash flows for the interim periods ended March 31, 2018 and 2017, and the financial position of the Company as of March 31, 2018. Interim results may not be indicative of results for a full year.

On January 31, 2017, the Company completed the acquisition (the "Esselte Acquisition") of Esselte Group Holdings AB ("Esselte"). Accordingly, the financial results of Esselte are included in the Company's condensed consolidated financial statements as of February 1, 2017, and are reflected in all three of the Company's reportable segments. See "Note 3. Acquisition" for details on the Esselte Acquisition.

In accordance with the adoption of the accounting standard ASU No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost, the Company has retrospectively revised the presentation of the non-service components of periodic pension income/cost to "Non-operating pension income" in the Consolidated Statements of Income. See "Note 2. Recent Accounting Pronouncements" for details on the new standard.

The preparation of financial statements in conformity with GAAP requires management to make certain estimates and assumptions that affect the reported assets and liabilities at the date of the financial statements and the reported revenues and expenses during the reporting periods. Actual results could differ from those estimates.

2. Recent Accounting Pronouncements

In February 2018, the Financial Accounting Standards Board (the "FASB") issued ASU No. 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220). In December 2017, the Tax Cuts and Jobs Act (the "U.S. Tax Act") was signed into law. Prior to ASU 2018-02, GAAP required deferred tax assets and deferred tax liabilities to be adjusted for the effect of a change in tax laws or rates with the effect included in income from continuing operations in the reporting period including the enactment date. The U.S. Tax Act reduces the historical U.S corporate tax rate and the effect of that change is required to be included in income from continuing operations, even if the original tax effects were recorded in Accumulated Other Comprehensive Income ("AOCI"). This could cause some tax effects to become stranded in AOCI as they are not updated to reflect the new tax rate. This new standard allows a company to elect to reclass the stranded tax effects resulting from the U.S. Tax Act from AOCI to retained earnings. The adoption of the new standard may be applied in the period of adoption or retrospectively to each period(s) effected by the change in the corporate tax rate. The Company is currently in the process of evaluating the impact of adoption of ASU 2018-02 on the Company’s consolidated financial statements. ASU 2018-02 is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2018. Early adoption of the standard is permitted including adoption in any interim period for which financial statements have not been issued.

8

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

In August 2017, the FASB issued ASU No. 2017-12, Derivative and Hedging (Topic 815), Targeted Improvements to Accounting for Hedging Activities. The new standard improves certain aspects of the hedge accounting model, including making more risk management strategies eligible for hedge accounting and simplifying the assessment of hedge effectiveness. The Company is currently in the process of assessing the impact of adoption of ASU 2017-12 on the Company's consolidated financial statements. The Company will adopt ASU 2017-12 effective with its 2019 fiscal year.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This ASU amends the existing accounting standard for leases. The amendments are intended to increase transparency and comparability among organizations by requiring recognition of lease assets and lease liabilities on the balance sheet and disclosure of key information about leasing arrangements. The new standard will be effective for annual periods beginning after December 15, 2018, including interim periods within that reporting period, and early application is permitted. The Company is currently evaluating the new guidance to determine the impact it will have on its consolidated financial statements and disclosures, but expects the impact to the Company’s Consolidated Balance Sheets to be significant. At this time, the Company does not expect adoption of ASU 2016-02 to have a material impact on its Consolidated Statements of Income as the majority of its leases will remain operating in nature. The Company is in the process of analyzing existing leases, practical expedients, and deploying its implementation strategy. The Company will adopt ASU 2016-02 at the beginning of its 2019 fiscal year.

Other than the items mentioned above, there are no other recently issued accounting standards that are expected to have a material effect on the Company’s financial condition, results of operations or cash flow.

Recently Adopted Accounting Standards

On January 1, 2018, we adopted the accounting standard ASU No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The new standard requires presentation of all components of net periodic pension and postretirement benefit costs, other than service costs, in an income statement line item outside of a subtotal of income from operations. The service cost component will continue to be presented in the same line item as other employee compensation costs. The Company used the practical expedient which permits an employer to use the amounts disclosed in its pension disclosures as the basis for applying the retrospective presentation requirements. On this basis, the Company restated its operating income which was reduced by $8.5 million for the year ended December 31, 2017 and $2.1 million for the three months ended March 31, 2017.

On January 1, 2018, we adopted the accounting standard ASU 2014-09, Revenue from Contracts with Customers and all the related amendments (Topic 606) and applied it to contracts which were not completed as of January 1, 2018 using the modified retrospective method. A completed contract is one where all (or substantially all) of the revenue was recognized in accordance with the revenue guidance that was in effect before the date of initial application of ASU 2014-09. We recognized the cumulative effect of $1.6 million, net of tax, upon adopting ASU 2014-09 as an addition to opening retained earnings as of January 1, 2018. The comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods.

The majority of our revenue is recognized at a point in time, when control is transferred to our customer, which is usually when products are shipped or delivered based upon the specific terms contained within the agreement. Our general payment terms are usually within 30-90 days. We do not have any significant financing components.

9

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

The cumulative effect of the changes on our January 1, 2018 opening Condensed Consolidated Balance Sheet due to the adoption of ASU 2014-09 were as follows:

(in millions of dollars)	Balance at December 31, 2017			Adjustments due to ASU 2014-09			Balance at January 1, 2018
Assets:
Inventories	$	254.2		$	(3.5	)	$	250.7
Other current assets	29.2			6.9			36.1
Liabilities and stockholders' equity:
Accrued customer program liabilities	141.1			1.1			142.2
Other current liabilities	113.8			0.1			113.9
Deferred income taxes	177.1			0.6			177.7
Accumulated deficit	(739.2		)	1.6			(737.6		)

The impact of the adoption of ASU 2014-09 on our Consolidated Statements of Income and Condensed Consolidated Balance Sheet for the three-month period ended March 31, 2018 was as follows:

	Three Months Ended March 31, 2018
(in millions of dollars)	As Reported			Balances without adoption of ASU 2014-09			Effect of Change Higher/(Lower)
Consolidated Statements of Income:
Net sales	$	405.8		$	405.7		$	0.1
Cost of products sold	278.3			278.4			(0.1		)
Net income	10.4			10.2			0.2
Condensed Consolidated Balance Sheet:
Assets:
Accounts receivable, net	316.1			313.8			2.3
Inventories	294.5			297.3			(2.8		)
Other current assets	51.5			44.4			7.1
Liabilities and stockholders' equity:
Accrued customer program liabilities	98.5			97.9			0.6
Other current liabilities	112.1			108.5			3.6
Deferred income taxes	174.8			174.2			0.6
Accumulated deficit	(733.9		)	(735.7		)	1.8

See "Note 5. Revenue Recognition" for the required disclosures related to ASU 2014-09.

3. Acquisition

On January 31, 2017, ACCO Europe Limited ("ACCO Europe"), an indirect wholly-owned subsidiary of the Company, completed the Esselte Acquisition. The Esselte Acquisition was made pursuant to the share purchase agreement dated October 21, 2016, as amended (the "Purchase Agreement"), among ACCO Europe, the Company and an entity controlled by J. W. Childs (the "Seller").

With the acquisition of Esselte, ACCO Brands is a leading European manufacturer and marketer of branded consumer and

10

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

office products. Esselte takes products to market under the Leitz^®, Rapid^® and Esselte^® brands in the storage and organization, stapling, punching, business machines and do-it-yourself tools product categories. The combination improved ACCO Brands’ scale and enhanced its position as an industry leader in Europe.

The purchase price paid at closing was €302.9 million (US$326.8 million based on January 31, 2017 exchange rates) and was subject to a working capital adjustment that reduced it by $0.3 million. The purchase price, net of cash acquired of $34.2 million, was $292.3 million. A portion of the purchase price (€8.1 million (US$8.7 million based on January 31, 2017 exchange rates)) is being held in an escrow account for a period of up to two years after closing as ACCO Europe’s sole recourse against Seller in the event of any claims against Seller under the Purchase Agreement. A warranty and indemnity insurance policy held by the Company and ACCO Europe insures certain of Seller’s contractual obligations to ACCO Europe under the Purchase Agreement for up to €40.0 million (US$43.2 million based on January 31, 2017 exchange rates) for a period of up to seven years, subject to certain deductibles and limitations set forth in the policy.

The Esselte Acquisition and related expenses were funded through a term loan of €300.0 million (US$320.8 million based on January 27, 2017 exchange rates) and cash on hand.

For accounting purposes, the Company is the acquiring enterprise. The Esselte Acquisition is being accounted for as a purchase combination and Esselte's results are included in the Company’s condensed consolidated financial statements as of February 1, 2017. Esselte contributed approximately $44.2 million of net sales for the month ended January 31, 2018.

The following table presents the allocation of the consideration given to the fair values of the assets acquired and liabilities assumed at the date of acquisition.

(in millions of dollars)	At January 31, 2017
Calculation of Goodwill:
Purchase price, net of working capital adjustment	$	326.5
Plus fair value of liabilities assumed:
Accounts payable and accrued liabilities	121.9
Deferred tax liabilities	83.6
Pension obligations	174.1
Other non-current liabilities	5.8
Fair value of liabilities assumed	$	385.4
Less fair value of assets acquired:
Cash acquired	34.2
Accounts receivable	60.0
Inventory	41.9
Property, plant and equipment	75.6
Identifiable intangibles	277.0
Deferred tax assets	106.3
Other assets	10.4
Fair value of assets acquired	$	605.4
Goodwill	$	106.5

In the fourth quarter of 2017, we finalized our fair value estimate of assets acquired and liabilities assumed as of the acquisition date. No additional adjustments to the goodwill related to the Esselte Acquisition will be recognized.

11

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

The excess of the purchase price over the fair value of net assets acquired was allocated to goodwill. The goodwill of $106.5 million is primarily attributable to synergies expected to be realized from facility integration, headcount reduction and other operational streamlining activities, and from the existence of an assembled workforce.

During the three months ended March 31,2017, transaction costs related to the Esselte Acquisition were $2.1 million. For the year ended December 31, 2017, transaction costs totaled $5.0 million. These costs were reported as selling, general and administrative expenses.

4. Long-term Debt and Short-term Borrowings

Notes payable and long-term debt, listed in order of the priority of security interests in assets of the Company, consisted of the following as of March 31, 2018 and December 31, 2017:

(in millions of dollars)	March 31, 2018		December 31, 2017
Euro Senior Secured Term Loan A, due January 2022 (floating interest rate of 1.50% at March 31, 2018 and 1.50% at December 31, 2017)	$	350.6	$	345.0
Australian Dollar Senior Secured Term Loan A, due January 2022 (floating interest rate of 3.44% at March 31, 2018 and 3.29% at December 31, 2017)	58.3		60.0
U.S. Dollar Senior Secured Revolving Credit Facility, due January 2022 (floating interest rate of 3.57% at March 31, 2018 and 3.53% at December 31, 2017)	56.5		48.9
Australian Dollar Senior Secured Revolving Credit Facility, due January 2022 (floating interest rate of 3.40% at March 31, 2018 and 3.28% at December 31, 2017)	91.4		85.0
Senior Unsecured Notes, due December 2024 (fixed interest rate of 5.25%)	400.0		400.0
Other borrowings	1.2		0.6
Total debt	958.0		939.5
Less:
Current portion	42.8		43.2
Debt issuance costs, unamortized	6.8		7.1
Long-term debt, net	$	908.4	$	889.2

In connection with the Esselte Acquisition, the Company entered into a Third Amended and Restated Credit Agreement (the "2017 Credit Agreement"), dated as of January 27, 2017, among the Company, certain subsidiaries of the Company, Bank of America, N.A., as administrative agent, and the other agents and various lenders party thereto. The 2017 Credit Agreement provides for a five-year senior secured credit facility, which consists of a €300.0 million (US$320.8 million based on January 27, 2017 exchange rates) term loan facility, a A$80.0 million (US$60.4 million based on January 27, 2017 exchange rates) term loan facility, and a US$400.0 million multi-currency revolving credit facility (the "2017 Revolving Facility").

As of March 31, 2018, there were $147.9 million in borrowings outstanding under the 2017 Revolving Facility. The remaining amount available for borrowings was $239.5 million (allowing for $12.6 million of letters of credit outstanding on that date).

As more fully described in the Company's 2017 Annual Report on Form 10-K, we must meet certain restrictive debt covenants under the senior secured credit facilities. The indenture governing our outstanding senior unsecured notes also contains certain covenants. As of and for the periods ended March 31, 2018 and December 31, 2017, the Company was in compliance with all applicable loan covenants.

5. Revenue Recognition

On January 1, 2018, the Company adopted the accounting standard ASU 2014-09, Revenue from Contracts with Customers and all related amendments (Topic 606), applying the modified retrospective transition method to all contracts that were not completed as of January 1, 2018. Results for reporting periods beginning after December 31, 2017 are presented under ASU 2014-09, while prior period amounts are not adjusted and continue to be reported under the accounting standards in effect for the prior period. The Company recorded a net increase to beginning retained earnings of $1.6 million as of January 1, 2018 due to the

12

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

cumulative impact of adopting ASU 2014-09. The impact to revenues for the three months ended March 31, 2018 was immaterial as a result of adopting ASU 2014-09.

Revenue is recognized when control of the promised goods or services is transferred to our customers in an amount reflective of the consideration we expect to be receive in exchange for those goods or services. Taxes we collect concurrent with revenue producing activities are excluded from revenue. Incidental items incurred that are immaterial in the context of the contract are expensed. We have elected the practical expedient to not disclose contracts that have a term of 1 year or less.

Performance Obligations

At the inception of each contract, the Company assesses the products and services promised and identifies each distinct performance obligation. To identify the performance obligations, the Company considers all products and services promised regardless of whether they are explicitly stated or implied within the contract or by standard business practices.

Freight and distribution activities performed before the customer obtains control of the goods are not considered promised services under customer contracts and therefore are not distinct performance obligations. The Company has chosen to make an accounting policy election to account for shipping and handling activities that occur after the customer obtains control of the goods as a fulfillment activity, and therefore accrues the expense of freight and distribution in Cost of products sold when product is shipped.

Nature of our Products and Services

Products: For our products, we transfer control and recognize a sale when we either ship the product from our manufacturing facility or distribution center, procure the product from one of our vendors or upon delivery to a customer specified location depending upon the terms in the customer agreement. For consignment arrangements, revenue is not recognized until the products are sold to the end customer. The amount of consideration we receive and revenue we recognize is impacted by incentives ("Customer Program Costs"), including sales rebates; which are generally tied to achievement of certain sales volume levels, in-store promotional allowances, shared media and customer catalog allowances and other cooperative advertising arrangements; and freight allowance programs, offered to our customers; and allowance for returns and discounts. We generally recognize Customer Program Costs as a deduction to gross sales at the time that the associated revenue is recognized. We estimate discounts based upon an analysis of historical trends and record as reductions to "Net sales" and "Accounts receivable, net". We estimate and record a returns reserve, on a gross basis, as a reduction to "Net sales" and "Cost of products sold" with increases to "Other current liabilities" and "Inventories." We adjust our estimate of revenue when the most likely amount of consideration we expect to receive changes.

Service or Extended Maintenance Agreements ("EMAs"): Depending on the terms of a customer agreement, we may defer recognition of a portion of the consideration received because we have to satisfy a future obligation (e.g. EMAs). We use an observable price to determine the stand-alone selling price for separate performance obligations or a cost plus margin approach, for our separately priced service/maintenance agreements that extend mechanical and maintenance coverage beyond our base warranty coverage to our Print Finishing Solutions ("PFS") customers. These agreements range in duration from three months to 60 months, but are primarily one year or less. We receive payment at inception of the EMAs and recognize revenue over the term of the agreement on a straight line basis or bill on a monthly/quarterly basis. As of January 1, 2018, $5.2 million of unearned revenue associated with outstanding contracts was primarily reported in "Other current liabilities". $3.9 million of unearned revenue was recognized during the three months ended March 31,2018. As of March 31, 2018, the amount of unearned revenue was $5.0 million. We expect to recognize approximately $4.3 million of the unearned amount in the next 12 months and $0.7 million in future periods beyond the next 12 months.

Disaggregation of Revenues

In accordance with ASU 2014-09, the following table disaggregates revenue from contracts with customers into regional geographies. The Company has determined that disaggregating revenue into these categories provides appropriate disclosure and achieves associated objectives to depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors.

13

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

The following table presents our revenue disaggregated by regional geography⁽¹⁾, based upon our reporting segments for the three months ended March 31, 2018 and 2017:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
United States	$	144.4	$	154.7
Canada	21.2		20.2
ACCO Brands North America	165.6		174.9
ACCO Brands EMEA(2)	154.5		96.5
Australia/N.Z.	39.8		43.2
Latin America	33.5		33.2
Asia-Pacific	12.4		12.0
ACCO Brands International	85.7		88.4
Net sales	$	405.8	$	359.8

(1) Net sales are attributed to geographic areas based on the location of the selling subsidiaries.

(2) ACCO Brands EMEA is comprised largely of Europe, but also includes export sales to the Middle East and Africa.

The following table presents our revenue disaggregated by the timing of revenue recognition for the three months ended March 31, 2018:

	Three Months Ended March 31,
(in millions of dollars)	2018
Product and Services transferred at a point in time	$	391.4
Product and Services transferred over time	14.4
Net sales	$	405.8

6. Pension and Other Retiree Benefits

The components of net periodic benefit (income) cost for pension and post-retirement plans for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	Pension												Post-retirement
	U.S.						International
(in millions of dollars)	2018			2017			2018			2017			2018			2017
Service cost	$	0.4		$	0.3		$	0.5		$	0.3		$	—		$	—
Interest cost	1.7			1.8			3.4			2.9			—			—
Expected return on plan assets	(2.9		)	(3.1		)	(5.9		)	(4.9		)	—			—
Amortization of net loss (gain)	0.6			0.5			0.9			0.7			(0.1		)	(0.1		)
Amortization of prior service cost (credit)	0.1			0.1			—			—			—			—
Net periodic benefit (income) expense(1)	$	(0.1	)	$	(0.4	)	$	(1.1	)	$	(1.0	)	$	(0.1	)	$	(0.1	)

(1) The components, other than service cost, are included in the line "Non-operating pension income" in the Consolidated Statements of Income.

We expect to contribute approximately $20.3 million to our defined benefit plans in 2018. For the three months ended March 31, 2018, we have already contributed $11.3 million to these plans.

14

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

7. Stock-Based Compensation

The following table summarizes our stock-based compensation expense (including stock options, restricted stock units ("RSUs") and performance stock units ("PSUs")) for the three months ended March 31, 2018 and 2017:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
Stock option compensation expense	$	0.5	$	0.6
RSU compensation expense	0.9		1.0
PSU compensation expense	1.8		0.8
Total stock-based compensation expense	$	3.2	$	2.4

We generally recognize compensation expense for stock-based awards ratably over the vesting period. During thefirstquarter of 2018, the Company's Board of Directors approved a stock compensation grant which consisted of769,477 stock options, 387,789RSUs and747,996PSUs.

The following table summarizes our unrecognized compensation expense and the weighted-average period over which the expense will be recognized as of March 31, 2018:

	March 31, 2018
	Unrecognized	Weighted Average
	Compensation	Years Expense To Be
(in millions of dollars, except weighted average years)	Expense	Recognized Over
Stock options	$5.0	2.6
RSUs	$8.6	2.4
PSUs	$17.8	2.1

8. Inventories

The components of inventories were as follows:

(in millions of dollars)	March 31, 2018		December 31, 2017
Raw materials	$	45.3	$	38.2
Work in process	4.5		4.1
Finished goods	244.7		211.9
Total inventories	$	294.5	$	254.2

9. Goodwill and Identifiable Intangible Assets

Goodwill

As more fully described in the Company’s 2017 Annual Report on Form 10-K, we test goodwill for impairment at least annually and on an interim basis if an event or circumstance indicates that it is more likely than not that an impairment loss has been incurred. The Company performed this annual assessment, on a qualitative basis, as allowed by GAAP, in the second quarter of 2017 and concluded that no impairment existed.

15

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

Changes in the net carrying amount of goodwill by segment were as follows:

(in millions of dollars)	ACCO Brands North America		ACCO Brands EMEA			ACCO Brands International		Total
Balance at December 31, 2017	$	375.6	$	129.4		$	165.3	$	670.3
Translation	—		(2.4		)	—		(2.4		)
Balance at March 31, 2018	$	375.6	$	127.0		$	165.3	$	667.9

The goodwill balance is net of $215.1 million of accumulated impairment losses.

Identifiable Intangible Assets

The gross carrying value and accumulated amortization by class of identifiable intangible assets as of March 31, 2018 and December 31, 2017 were as follows:

	March 31, 2018								December 31, 2017
(in millions of dollars)	Gross Carrying Amounts		Accumulated Amortization				Net Book Value		Gross Carrying Amounts		Accumulated Amortization				Net Book Value
Indefinite-lived intangible assets:
Trade names	$	603.1	$	(44.5	)	(1)	$	558.6	$	599.5	$	(44.5	)	(1)	$	555.0
Amortizable intangible assets:
Trade names	196.6		(62.1		)		134.5		195.3		(59.4		)		135.9
Customer and contractual relationships	245.4		(105.7		)		139.7		243.0		(99.3		)		143.7
Patents	5.9		(0.6		)		5.3		5.8		(0.5		)		5.3
Subtotal	447.9		(168.4		)		279.5		444.1		(159.2		)		284.9
Total identifiable intangibles	$	1,051.0	$	(212.9	)		$	838.1	$	1,043.6	$	(203.7	)		$	839.9

(1) Accumulated amortization prior to the adoption of authoritative guidance on goodwill and indefinite-lived intangible assets, at which time further amortization ceased.

The Company’s intangible amortization expense was $9.3 million and $8.0 million for the three months ended March 31,2018 and 2017, respectively.

Estimated amortization expense for amortizable intangible assets as of March 31, 2018 for the current year and the next five years are as follows:

(in millions of dollars)	2018		2019		2020		2021		2022		2023
Estimated amortization expense(2)	$	34.3	$	30.8	$	27.3	$	23.8	$	20.3	$	18.2

(2) Actual amounts of amortization expense may differ from estimated amounts due to changes in foreign currency exchange rates, additional intangible asset acquisitions, impairment of intangible assets, accelerated amortization of intangible assets and other events.

We test indefinite-lived intangibles for impairment at least annually and on an interim basis if an event or circumstance indicates that it is more likely than not that an impairment loss has been incurred. We performed this annual assessment, on a qualitative basis, as allowed by GAAP, for the majority of indefinite-lived trade names in the second quarter of 2017 and concluded that no impairment existed. For the Mead^® indefinite-lived trade name that is not substantially above its carrying values, we performed a quantitative test in the second quarter of 2017. A 1.5% long-term growth rate and a 10.5% discount rate were used. We concluded that the Mead^® trade name was not impaired. The fair value of the Mead^® trade name was less than 30% above its carrying value as of the second quarter of 2017 test. As of March 31, 2018, the carrying value of the Mead^® trade name was $113.3 million.

16

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

10. Restructuring

During the first quarter of 2018, the Company recorded restructuring expenses of $4.7 million, primarily related to additional changes to the operating structure of the ACCO Brands North America segment and the continued integration of Esselte within the ACCO Brands EMEA segment. Not included in these numbers are exit costs and liabilities associated with exiting a leased facility of $2.4 million and a contract related termination of $0.1 million that were not recorded yet, pursuant to GAAP rules.

During 2017, cost savings initiatives undertaken by the Company in 2016 to further enhance its operations in the ACCO Brands North America segment were expanded to include the realignment of the operating structure of our former Computer Products Group and other projects to enhance the future long-term performance of the North America business.

For the three months ended March 31,2018 and 2017, we recorded restructuring charges of $4.7 million and $1.5 million, respectively.

The summary of the activity in the restructuring account for the three months ended March 31, 2018 was as follows:

(in millions of dollars)	Balance at December 31, 2017		Provision		Cash Expenditures			Non-cash Items/ Currency Change			Balance at March 31, 2018
Employee termination costs(1)	$	12.0	$	3.8	$	(2.6	)	$	0.3		$	13.5
Termination of lease agreements(2)	0.8		0.9		(0.7		)	—			1.0
Other(3)	0.5		—		(0.1		)	(0.1		)	0.3
Total restructuring liability	$	13.3	$	4.7	$	(3.4	)	$	0.2		$	14.8

(1) We expect the remaining $13.5 million employee termination costs to be substantially paid in the next fifteen months.

(2) We expect the remaining $1.0 million termination of lease costs to be substantially paid in the next twelve months.

(3) We expect the remaining $0.3 million of other costs, principally contract exit costs, to be substantially paid in the next nine months.

The summary of the activity in the restructuring account for the three months ended March 31, 2017 was as follows:

(in millions of dollars)	Balance at December 31, 2016		Esselte Acquisition (4)		Provision		Cash Expenditures			Balance at March 31, 2017
Employee termination costs	$	1.4	$	1.4	$	1.3	$	(0.4	)	$	3.7
Termination of lease agreements	0.1		2.0		0.2		(0.1		)	2.2
Other	—		0.1		—		(0.1		)	—
Total restructuring liability	$	1.5	$	3.5	$	1.5	$	(0.6	)	$	5.9

(4) Restructuring liabilities assumed in the Esselte Acquisition.

17

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

11. Income Taxes

The reconciliation of income taxes for the three months ended March 31, 2018 and 2017, computed at the U.S. federal statutory income tax rate, compared to our effective income tax rate, was as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018			2017
Income tax expense computed at U.S. statutory income tax rate (21% and 35%, respectively)	$	1.3		$	—
Interest on Brazilian Tax Assessment	0.3			0.7
Partial release of reserve for the Brazilian Tax Assessment	(5.6		)	—
Excess tax benefit from stock-based compensation	(2.5		)	(5.3		)
Net operating losses not benefited	1.0			0.4
Miscellaneous	1.2			0.7
Income tax benefit as reported	$	(4.3	)	$	(3.5	)
Effective tax rate	NM			NM

For the three months ended March 31, 2018, we recorded an income tax benefit of $4.3 million on income before taxes of $6.1 million. The net tax benefit for the three months ended March 31, 2018 was primarily due to (1) the partial release of $5.6 million of the reserve for the Brazil Tax Assessment (see below) due to the expiration of the statute of limitations, and (2) excess tax benefit of $2.5 million from the realization of stock-based compensation related tax deductions. Additionally, the low effective tax rate for 2018 includes tax impacts attributable to the U.S. Tax Act, which was signed into law on December 22, 2017.

For the three months ended March 31, 2017, we recorded an income tax benefit of $3.5 million on income before taxes of $0.1 million. The low effective tax rate for the three months ended March 31, 2017 was primarily due to the excess tax benefit of $5.3 million from the realization of stock-based compensation related tax deductions.

The U.S. federal statute of limitations remains open for the year 2014 and forward. Foreign and U.S. state jurisdictions have statutes of limitations generally ranging from 2 to 5 years. Years still open to examination by foreign tax authorities in major jurisdictions include Australia (2013 forward), Brazil (2012 forward), Canada (2009 forward), Germany (2011 forward), Sweden (2011 forward) and the U.K. (2016 forward). We are currently under examination in certain foreign jurisdictions.

Tax Reform

On December 22, 2017, the U.S. Tax Act was signed into law. The U.S. Tax Act makes broad and complex changes to the U.S. tax code, including, but not limited to: (i) reducing the future U.S. federal corporate tax rate from 35 percent to 21 percent; (ii) requiring companies to pay a one-time transition tax on certain undistributed earnings of foreign subsidiaries (the "Transition Toll Tax"); and (iii) bonus depreciation that will allow for full expensing of qualified property.

The U.S. Tax Act also established new tax laws that will affect 2018, including, but not limited to: (i) the reduction of the U.S. federal corporate tax rate discussed above; (ii) a general elimination of U.S. federal income taxes on dividends from foreign subsidiaries; (iii) a new provision designed to tax global intangible low-taxed income ("GILTI"); (iv) the repeal of the domestic production activity deductions; (v) limitations on the deductibility of certain executive compensation; (vi) limitations on the use of foreign tax credits to reduce the U.S. income tax liability; and (vii) a new provision that allows a domestic corporation an immediate deduction for a portion of its foreign derived intangible income ("FDII").

The SEC staff issued Staff Accounting Bulletin ("SAB") 118, which provides guidance on accounting for the tax effects of the U.S. Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the enactment date for companies to complete the related accounting under ASC 740, Accounting for Income Taxes. In accordance with SAB 118, a company must reflect the income tax effects of those aspects of the U.S. Tax Act for which the accounting under ASC 740 is complete. To the extent that a company’s accounting for a certain income tax effect of the U.S. Tax Act is incomplete, but it is able to determine a reasonable estimate, it must record a provisional estimate in the financial statements. If a company cannot determine a provisional estimate to be included in the financial statements, it should continue to apply ASC 740 on the basis of the provisions of the tax laws that were in effect immediately before the enactment of the U.S. Tax Act.

18

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

The Company’s accounting for certain components of the U.S. Tax Act is not complete. However, the Company was able to make reasonable estimates of the effects and recorded provisional estimates for these items. Changes in tax rates and tax laws are accounted for in the period of enactment. Therefore, during the year ended December 31, 2017, we recorded a net tax benefit totaling $25.7 million related to our provisional estimate of the impact of the U.S. Tax Act. The benefit consists of an expense of $24.0 million, net of foreign tax credit carryforwards of $14.0 million, for the one-time Transition Toll Tax and a net benefit of $49.7 million in connection with the revaluation of the deferred tax assets and liabilities resulting from the decrease in the U.S. corporate tax rate.

During the three months ended March 31, 2018, we have made no adjustments to the provisional amounts recorded at December 31, 2017. However, the ultimate impact of the U.S. Tax Act may differ from the current estimates, possibly materially, due to changes in interpretations and assumptions the Company has made, future guidance that may be issued by the U.S. Treasury Department, the Internal Revenue Service, and other standard-setting bodies, or actions the Company may take. Adjustments to the provisional amounts may materially affect our provision for income taxes and effective tax rate in the period in which the adjustments are made. Accounting for the tax effects of the U.S. Tax Act will be completed prior to December 31, 2018.

Income Tax Assessment - Tilibra

In connection with our May 1, 2012 acquisition of the Mead Consumer and Office Products Business ("Mead C&OP"), we assumed all of the tax liabilities for the acquired foreign operations including Tilibra Produtos de Papelaria Ltda. ("Tilibra"). In December 2012, the Federal Revenue Department of the Ministry of Finance of Brazil ("FRD") issued a tax assessment (the "Brazilian Tax Assessment") against Tilibra, which challenged the tax deduction of goodwill from Tilibra's taxable income for the year 2007 (the "First Assessment"). A second assessment challenging the deduction of goodwill from Tilibra's taxable income for the years 2008, 2009 and 2010 was issued by FRD in October 2013 (the "Second Assessment"). Tilibra is disputing both of the tax assessments.

Recently, the final administrative appeal of the Second Assessment was decided against the Company. We intend to challenge this decision in court. In connection with the judicial challenge, we are required to post security to guarantee payment of the Second Assessment, which represents $24.6 million of the current reserve, should we not prevail. The First Assessment is still being challenged through established administrative procedures.

We believe we have meritorious defenses and intend to vigorously contest these matters; however, there can be no assurances that we will ultimately prevail. The ultimate outcome will not be determined until the Brazilian tax appeal process is complete, which is expected to take a number of years. In addition, Tilibra's 2012 tax year remains open and subject to audit, and there can be no assurances that we will not receive additional tax assessments regarding the goodwill for 2012. The time limit for issuing an assessment for 2012 will expire in January 2019. If the FRD's initial position is ultimately sustained, the amount assessed would materially and adversely affect our cash flow in the year of settlement.

Because there is no settled legal precedent on which to base a definitive opinion as to whether we will ultimately prevail, we consider the outcome of this dispute to be uncertain. Since it is not more likely than not that we will prevail, in 2012, we recorded a reserve in the amount of $44.5 million (at December 31, 2012 exchange rates) in consideration of this contingency, of which $43.3 million was recorded as an adjustment to the purchase price and which included the 2007-2012 tax years plus penalties and interest through December 2012. Included in this reserve is an assumption of penalties at 75%, which is the standard penalty. While there is a possibility that a penalty of 150% could be imposed in connection with the First Assessment, based on the facts in our case and existing precedent, we believe the likelihood of a 150% penalty is not more likely than not as of March 31, 2018. We will continue to actively monitor administrative and judicial court decisions and evaluate their impact, if any, on our legal assessment of the ultimate outcome of our case. In addition, we will continue to accrue interest related to this contingency until such time as the outcome is known or until evidence is presented that we are more likely than not to prevail. The time limit for issuing an assessment for 2011 expired in January 2018 and we did not receive an assessment; we have therefore reversed $5.6 million of reserves related to 2011. During the three months ended March 31,2018 and 2017, we accrued additional interest as a charge to current income tax expense of $0.3 million and $0.7 million, respectively. At current exchange rates, our accrual through March 31, 2018, including tax, penalties and interest is $33.4 million.

19

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

12. Earnings per Share

Total outstanding shares as of March 31, 2018 and 2017 were 107.8 million and 109.5 million, respectively. Under our stock repurchase program, for the three months ended March 31, 2018 we repurchased and retired 0.8 million shares. No shares were repurchased during the three months ended March 31, 2017. For each of the three months ended March 31, 2018 and 2017, we acquired 0.6 million and 0.7 million shares, respectively related to tax withholding for share-based compensation. The calculation of basic earnings per share of common stock is based on the weighted average number of shares of common stock outstanding in the year, or period, over which they were outstanding. Our calculation of diluted earnings per share of common stock assumes that any shares of common stock outstanding were increased by shares that would be issued upon exercise of those stock units for which the average market price for the period exceeds the exercise price less the shares that could have been purchased by the Company with the related proceeds, including compensation expense measured but not yet recognized.

	Three Months Ended March 31,
(in millions)	2018	2017
Weighted-average number of shares of common stock outstanding - basic	106.8	108.3
Stock options	1.2	1.5
Restricted stock units	2.0	2.6
Adjusted weighted-average shares and assumed conversions — diluted	110.0	112.4

Awards of potentially dilutive shares of common stock, which have exercise prices that were higher than the average market price during the period, are not included in the computation of dilutive earnings per share as their effect would have been anti-dilutive. For the three months ended March 31, 2018 and 2017, the number of anti-dilutive shares were approximately 2.8 million and 2.3 million, respectively.

13. Derivative Financial Instruments

We are exposed to various market risks, including changes in foreign currency exchange rates and interest rate changes. We enter into financial instruments to manage and reduce the impact of these risks, not for trading or speculative purposes. The counterparties to these financial instruments are major financial institutions. We continually monitor our foreign currency exposures in order to maximize the overall effectiveness of our foreign currency hedge positions. Principal currencies hedged include the U.S. dollar, Euro, Australian dollar, Canadian dollar, Swedish krona, British pound and Japanese yen. We are subject to credit risk, which relates to the ability of counterparties to meet their contractual payment obligations or the potential non-performance by counterparties to financial instrument contracts. Management continues to monitor the status of our counterparties and will take action, as appropriate, to further manage our counterparty credit risk. There are no credit contingency features in our derivative financial instruments.

When hedge accounting is applicable, on the date we enter into a derivative, the derivative is designated as a hedge of the identified exposure. We measure the effectiveness of our hedging relationships both at hedge inception and on an ongoing basis.

Forward Currency Contracts

We enter into forward foreign currency contracts with third parties to reduce the effect of fluctuating foreign currencies, primarily on foreign denominated inventory purchases and intercompany loans. The majority of the Company’s exposure to local currency movements is in Europe (the Euro, the Swedish krona and the British pound), Australia, Canada, Brazil, and Mexico.

Forward currency contracts are used to hedge foreign denominated inventory purchases for Europe, Australia, Canada and Japan, and are designated as cash flow hedges. Unrealized gains and losses on these contracts are deferred in accumulated other comprehensive income (loss) ("AOCI") until the contracts are settled and the underlying hedged transactions relating to inventory purchases are recognized, at which time the deferred gains or losses will be reported in the "Cost of products sold" line in the "Consolidated Statements of Income." As of March 31, 2018 and December 31, 2017, we had cash-flow-designated foreign exchange contracts outstanding with a U.S. dollar equivalent notional value of $119.9 million and $93.5 million, respectively.

Forward currency contracts used to hedge foreign denominated intercompany loans are not designated as hedging instruments. Gains and losses on these derivative instruments are recognized within "Other (income) expense, net" in the "Consolidated

20

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

Statements of Income" and are largely offset by the change in the current translated value of the hedged item. The periods of the forward foreign exchange contracts correspond to the periods of the hedged transactions, and do not extend beyond March2019, except for one relating to intercompany loans which extends to December 2020. As of March 31, 2018 and December 31, 2017, we had undesignated foreign exchange contracts outstanding with a U.S. dollar equivalent notional value of $96.1 million and $95.0 million, respectively.

The following table summarizes the fair value of our derivative financial instruments as of March 31, 2018 and December 31, 2017:

	Fair Value of Derivative Instruments
	Derivative Assets					Derivative Liabilities
(in millions of dollars)	Balance Sheet Location	March 31, 2018		December 31, 2017		Balance Sheet Location	March 31, 2018		December 31, 2017
Derivatives designated as hedging instruments:
Foreign exchange contracts	Other current assets	$	1.8	$	0.5	Other current liabilities	$	0.7	$	0.5
Derivatives not designated as hedging instruments:
Foreign exchange contracts	Other current assets	0.4		0.4		Other current liabilities	1.2		0.7
Foreign exchange contracts	Other non-current assets	32.2		24.2		Other non-current liabilities	32.2		24.2
Total derivatives		$	34.4	$	25.1		$	34.1	$	25.4

The following tables summarize the pre-tax effect of our derivative financial instruments on the condensed consolidated financial statements for the three months ended March 31, 2018 and 2017:

	The Effect of Derivative Instruments in Cash Flow Hedging Relationships on the Consolidated Financial Statements
	Amount of Gain (Loss) Recognized in AOCI (Effective Portion)						Location of (Gain) Loss Reclassified from AOCI to Income	Amount of (Gain) Loss Reclassified from AOCI to Income (Effective Portion)
	Three Months Ended March 31,							Three Months Ended March 31,
(in millions of dollars)	2018			2017				2018		2017
Cash flow hedges:
Foreign exchange contracts	$	(0.3	)	$	(1.5	)	Cost of products sold	$	1.2	$	(1.1	)

	The Effect of Derivatives Not Designated as Hedging Instruments on the Consolidated Statements of Operations
	Location of (Gain) Loss Recognized in Income on Derivatives	Amount of (Gain) Loss Recognized in Income
		Three Months Ended March 31,
(in millions of dollars)		2018		2017
Foreign exchange contracts	Other (income) expense, net	$	0.4	$	(0.8	)

21

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

14. Fair Value of Financial Instruments

In establishing a fair value, there is a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The basis of the fair value measurement is categorized in three levels, in order of priority, as described below:

Level 1	Unadjusted quoted prices in active markets for identical assets or liabilities
Level 2	Unadjusted quoted prices in active markets for similar assets or liabilities, or
	Unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active, or
	Inputs other than quoted prices that are observable for the asset or liability
Level 3	Unobservable inputs for the asset or liability

We utilize the best available information in measuring fair value. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

We have determined that our financial assets and liabilities described in "Note 13. Derivative Financial Instruments" are Level 2 in the fair value hierarchy. The following table sets forth our financial assets and liabilities that were accounted for at fair value on a recurring basis as of March 31, 2018 and December 31, 2017:

(in millions of dollars)	March 31, 2018		December 31, 2017
Assets:
Forward currency contracts	$	34.4	$	25.1
Liabilities:
Forward currency contracts	$	34.1	$	25.4

Our forward currency contracts are included in "Other current assets," "Other non-current assets," "Other current liabilities" or "Other non-current liabilities" and do not extend beyond March2019, except for one which extends to December 2020. The forward foreign currency exchange contracts are primarily valued based on the foreign currency spot and forward rates quoted by banks or foreign currency dealers. As such, these derivative instruments are classified within Level 2.

The fair values of cash and cash equivalents, notes payable to banks, accounts receivable and accounts payable approximate carrying amounts due principally to their short maturities. The carrying amount of total debt was $958.0 million and $939.5 million and the estimated fair value of total debt was $960.0 million and $951.5 million at March 31, 2018 and December 31, 2017, respectively. The fair values are determined from quoted market prices, where available, and from investment bankers using current interest rates considering credit ratings and the remaining time to maturity.

15. Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss) is defined as net income (loss) and other changes in stockholders’ equity from transactions and other events from sources other than stockholders. The components of, and changes in, accumulated other comprehensive income (loss), net of tax were as follows:

(in millions of dollars)	Derivative Financial Instruments			Foreign Currency Adjustments			Unrecognized Pension and Other Post-retirement Benefit Costs			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2017	$	0.2		$	(305.4	)	$	(155.9	)	$	(461.1	)
Other comprehensive loss before reclassifications, net of tax	(0.3		)	(4.3		)	(3.8		)	(8.4		)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.9			—			1.2			2.1
Balance at March 31, 2018	$	0.8		$	(309.7	)	$	(158.5	)	$	(467.4	)

22

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

The reclassifications out of accumulated other comprehensive income (loss) for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018			2017
(in millions of dollars)	Amount Reclassified from Accumulated Other Comprehensive Income						Location on Income Statement
Details about Accumulated Other Comprehensive Income Components
(Loss) gain on cash flow hedges:
Foreign exchange contracts	$	(1.2	)	$	1.1		Cost of products sold
Tax benefit (expense)	0.3			(0.4		)	Income tax benefit
Net of tax	$	(0.9	)	$	0.7
Defined benefit plan items:
Amortization of actuarial loss	$	(1.4	)	$	(1.1	)	(1)
Amortization of prior service cost	(0.1		)	(0.1		)	(1)
Total before tax	(1.5		)	(1.2		)
Tax benefit	0.3			0.3			Income tax benefit
Net of tax	$	(1.2	)	$	(0.9	)
Total reclassifications for the period, net of tax	$	(2.1	)	$	(0.2	)

(1) These accumulated other comprehensive income components are included in the computation of net periodic benefit cost for pension and post-retirement plans (See "Note 6. Pension and Other Retiree Benefits" for additional details).

16. Information on Business Segments

The Company has three operating business segments each of which is comprised of different geographic regions. The Company's three segments are as follows:

Operating Segment	Geography
ACCO Brands North America	United States and Canada
ACCO Brands EMEA	Europe, Middle East and Africa
ACCO Brands International	Australia/N.Z., Latin America and Asia-Pacific

Each of the Company's three operating segments designs, markets, sources, manufactures and sells recognized consumer and end-user demanded brands used in businesses, schools and homes. Product designs are tailored based on end-user preferences in each geographic region.

Our product categories include storage and organization; stapling; punching; laminating, binding and shredding machines and related consumable supplies; whiteboards; notebooks; calendars; computer accessories; and do-it-yourself tools, among others. Our portfolio of consumer and end-user demanded brands includes both globally and regionally recognized brands.

23

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

ACCO Brands North America

The ACCO Brands North America segment is comprised of the United States and Canada where the Company is a leading branded supplier of consumer and business products under brands such as AT-A-GLANCE^®, Five Star^®, GBC^®, Hilroy^®, Kensington^®, Mead^®, Quartet^®, and Swingline^®.The ACCO Brands North America segment designs, sources or manufactures and distributes school notebooks, calendars, whiteboards, storage and organization products (such as three-ring binders, sheet protectors and indexes), stapling, punching, laminating, binding and shredding products, and computer accessories, among others, which are primarily used in schools, homes and businesses. The majority of revenue in this segment is related to consumer and home products and is associated with the "back-to-school" season and calendar year-end purchases; we expect sales of consumer products to become an increasingly greater percentage of our revenue as they are faster growing than most business-related products.

ACCO Brands EMEA

The ACCO Brands EMEA segment is comprised largely of Europe, but also includes export sales to the Middle East and Africa. The Company is a leading branded supplier of consumer and business products under brands such as Derwent^®, Esselte^®, GBC^®, Kensington^®, Leitz^®, NOBO^®, Rapid^®, and Rexel^®.The ACCO Brands EMEA segment designs, manufactures or sources and distributes storage and organization products (such as lever-arch binders, sheet protectors and indexes), stapling, punching, laminating, binding and shredding products, do-it-yourself tools, and computer accessories, among others, which are primarily used in businesses, homes and schools.

ACCO Brands International

The ACCO Brands International segment is comprised of Australia/N.Z., Latin America and Asia-Pacific where the Company is a leading branded supplier of consumer and business products under brands such as Artline^®, GBC^®, Kensington^®, Marbig^®, Quartet^®, Rexel^®, Tilibra^®, and Wilson Jones^®, among others. The ACCO Brands International segment designs, sources or manufactures and distributes school notebooks, calendars, whiteboards, storage and organization products (such as three-ring binders, sheet protectors and indexes), stapling, punching, laminating, binding and shredding products, writing instruments, and janitorial supplies, among others, which are primarily used in businesses, schools and homes. The majority of revenue in this segment is related to consumer products and is associated with the "back-to-school" season and calendar year-end purchases; we expect sales of consumer products to become an increasingly greater percentage of our revenue as they are faster growing than most business-related products.

Customers

We distribute our products through a wide variety of retail and commercial channels to ensure that our products are readily and conveniently available for purchase by consumers and other end-users, wherever they prefer to shop. These channels include mass retailers; e-tailers; discount, drug/grocery and variety chains; warehouse clubs; hardware and specialty stores; independent office product dealers; office superstores; and contract stationers. We also sell directly to commercial and consumer end-users through our e-commerce platform and our direct sales organization.

Net sales by business segment for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
ACCO Brands North America	$	165.6	$	174.9
ACCO Brands EMEA	154.5		96.5
ACCO Brands International	85.7		88.4
Net sales	$	405.8	$	359.8

24

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

Operating income by business segment for the three months ended March 31, 2018 and 2017 was as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018			2017
ACCO Brands North America	$	2.9		$	5.8
ACCO Brands EMEA	14.1			3.6
ACCO Brands International	5.8			10.1
Segment operating income	22.8			19.5
Corporate	(11.1		)	(12.3		)
Operating income(1)	11.7			7.2
Interest expense	9.4			9.8
Interest income	(1.0		)	(1.3		)
Non-operating pension income	(2.2		)	(2.1		)
Other (income) expense, net	(0.6		)	0.7
Income before income tax	$	6.1		$	0.1

(1) Operating income as presented in the segment table above is defined as i) net sales; ii) less cost of products sold; iii) less advertising, selling, general and administrative expenses; iv) less amortization of intangibles; and v) less restructuring charges.

17. Commitments and Contingencies

Pending Litigation - Brazil Tax Assessment

In connection with our May 1, 2012 acquisition of the Mead C&OP business, we assumed all of the tax liabilities for the acquired foreign operations including Tilibra Produtos de Papelaria Ltda. ("Tilibra"). For further information see, "Note 11. Income Taxes - Income Tax Assessment - Tilibra" for details on tax assessments issued by the FRD against Tilibra, which challenged the tax deduction of goodwill from Tilibra's taxable income for the years 2007 through 2010.

Other Pending Litigation

We are party to various lawsuits and regulatory proceedings, primarily related to alleged patent infringement and employee terminations as well as other claims incidental to our business. In addition, we may be unaware of third party claims of intellectual property infringement relating to our technology, brands or products and we may face other claims related to business operations. Any litigation regarding patents or other intellectual property could be costly and time-consuming and might require us to pay monetary damages or enter into costly license agreements. We also may be subject to injunctions against development and sale of certain of our products.

It is the opinion of management that (other than the Brazilian Tax Assessment) the ultimate resolution of currently outstanding matters will not have a material adverse effect on our financial condition, results of operations or cash flow. However, there is no assurance that we will ultimately be successful in our defense of any of these matters or that an adverse outcome in any matter will not affect our results of operations, financial condition or cash flow. Further, future claims, lawsuits and legal proceedings could materially and adversely affect our business, reputation, results of operations and financial condition.

Environmental

We are subject to national, state, provincial and/or local environmental laws and regulations concerning the discharge of materials into the environment and the handling, disposal and clean-up of waste materials and otherwise relating to the protection of the environment. This includes environmental laws and regulations that affect the design and composition of certain of our products. It is not possible to quantify with certainty the potential impact of actions regarding environmental matters, particularly remediation and other compliance efforts that we may undertake in the future. In the opinion of our management, compliance with the present environmental protection laws, before taking into account estimated recoveries from third parties, will not have a material adverse effect upon our capital expenditures, financial condition and results of operations or competitive position.

25

ACCO Brands Corporation and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited) (Continued)

18. Subsequent Events

On May 1, 2018, the Company's Board of Directors declared a cash dividend of $0.06 per share on its common stock. The dividend is payable on June 20, 2018 to stockholders of record as of the close of business on June 1, 2018. The declaration and payment of future dividends will be at the discretion of the Board of Directors and will be dependent upon, among other things, the Company's financial position, results of operations, cash flows, debt covenant compliance, anticipated liquidity needs, and other factors.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

INTRODUCTION

Management’s Discussion and Analysis of Financial Condition and Results of Operations for the three months ended March 31, 2018 and 2017 should be read in conjunction with the unaudited condensed consolidated financial statements of ACCO Brands Corporation and the accompanying notes contained therein.

Overview of the Company

ACCO Brands is a designer, marketer and manufacturer of recognized consumer and end-user demanded brands used in businesses, schools, and homes. Our widely known brands include AT-A-GLANCE^®, Derwent^®, Esselte^®, Five Star^®, GBC^®, Hilroy^®, Kensington^®,Leitz^®, Marbig^®, Mead^®, NOBO^®, Quartet^®, Rapid^®, Rexel^®, Swingline^®, Tilibra^® and Wilson Jones^®. More than 80% of our net sales come from brands that occupy the number-one or number-two positions in the select product categories in which we compete. We distribute our products through a wide variety of retail and commercial channels to ensure that our products are readily and conveniently available for purchase by consumers and other end-users, wherever they prefer to shop. These channels include mass retailers, e-tailers, discount, drug/grocery and variety chains; warehouse clubs; hardware and specialty stores; independent office product dealers; office superstores; and contract stationers. Our products are sold primarily in the U.S., Europe, Australia, Canada, Brazil and Mexico. For the year ended December 31, 2017, approximately 55% of our sales were outside the U.S., up from 43% in 2016. This increase was the result of the Esselte and Pelikan Artline acquisitions, which further extended our geographic reach.

Over the past several years we have transformed our business by: divesting certain non-core commercially-oriented product lines; acquiring companies with consumer and end-user demanded brands, and continuing to diversify our distribution channels. In 2012, we acquired the Mead Consumer and Office Products business ("Mead C&OP"), which substantially increased our presence in North America and Brazil in school and calendar products with well-known consumer brands. In 2016, we purchased the remaining equity interest in Pelikan Artline from our joint venture partner, which enhanced our competitive position in school and business products in Australia and New Zealand and added new consumer categories, including writing instruments and janitorial supplies. In early 2017, we acquired Esselte Group Holdings AB ("Esselte"), which more than doubled our presence in Europe and added several iconic business brands, a significant base of independent dealer customers, and a new product category of do-it-yourself hardware tools. Together these three acquisitions have meaningfully expanded our portfolio of well-known end-user demanded brands, enhanced our competitive position from both a product and channel perspective, and added scale to our business operations.

Today our Company is a global enterprise focused on developing innovative branded consumer products for use in businesses, schools and homes. We believe our leading product category positions provide the scale to enable us to invest in marketing and product innovation to drive profitable growth. We expect to derive much of our growth, over the long term, in faster-growing emerging geographies such as Latin America and parts of Asia, the Middle East and Eastern Europe, which exhibit stronger demand for our product categories than in developed markets. In all of our markets we see opportunities to grow sales through share gains, channel expansion and innovative products. We plan to supplement organic growth globally with strategic acquisitions in both existing and adjacent product categories.

Esselte Group Holdings AB Acquisition

On January 31, 2017, the Company completed the acquisition (the "Esselte Acquisition") of Esselte. Accordingly, the results of Esselte are included in the Company's condensed consolidated financial statements from February 1, 2017 forward and are reported in all three of the Company's segments, but primarily in the ACCO Brands EMEA segment. The acquisition of Esselte made ACCO Brands a leading European manufacturer and marketer of branded consumer and office products and improved ACCO Brands' scale. Esselte products are primarily marketed under the Leitz^®, Rapid^® and Esselte^® brands in the storage and organization, stapling, punching, binding and laminating equipment and do-it-yourself tools product categories.

For further information on the Esselte Acquisition, see "Note 3. Acquisition" to the condensed consolidated financial statements contained in Item 1. of this report.

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OVERVIEW OF PERFORMANCE

Our financial results for the three months ended March 31, 2018 reflect the significant benefit of the Esselte Acquisition, which was completed on January 31, 2017. The inclusion of the Esselte January 2018 results are largely reflected in our EMEA segment.

Foreign currency translation also impacted our consolidated financial statements favorably for the three months ended March 31, 2018. Where necessary we adjust sales prices to cover inflationary impacts of currency fluctuation on our cost of products sold.

Consolidated Results of Operations for the Three Months Ended March 31, 2018 and March 31, 2017:

	Three Months Ended March 31,						Amount of Change
(in millions of dollars, except per share data)	2018			2017			$			%/pts
Net sales	$	405.8		$	359.8		$	46.0		13	%
Cost of products sold	278.3			248.9			29.4			12	%
Gross profit	127.5			110.9			16.6			15	%
Gross profit margin	31.4		%	30.8		%				0.6		pts
Selling, general and administrative expenses	101.8			94.2			7.6			8	%
Amortization of intangibles	9.3			8.0			1.3			16	%
Restructuring charges	4.7			1.5			3.2			213	%
Operating income	11.7			7.2			4.5			63	%
Operating income margin	2.9		%	2.0		%				0.9		pts
Interest expense	9.4			9.8			(0.4		)	(4	)%
Interest income	(1.0		)	(1.3		)	(0.3		)	(23	)%
Non-operating pension income	(2.2		)	(2.1		)	0.1			5	%
Other (income) expense, net	(0.6		)	0.7			1.3			NM
Income tax benefit	(4.3		)	(3.5		)	0.8			23	%
Effective tax rate	NM			NM						NM		pts
Net income	10.4			3.6			6.8			189	%
Weighted average number of diluted shares outstanding:	110.0			112.4			(2.4		)	(2	)%
Diluted income per share	$	0.09		$	0.03		$	0.06		200	%

Net Sales

Net sales of $405.8 million, including $44.2 million from the additional month of sales of Esselte, were up $46.0 million, or 13%, from $359.8 million in the prior-year period. Foreign currency translation increased sales by $17.0 million in the current-year period. Comparable net sales, excluding the one month of sales from Esselte and foreign currency translation, decreased 4% driven by declines in the North America segment primarily due to customer inventory reductions and lost placement, mostly of low-margin commodity products.

Cost of Products Sold

Cost of products sold includes all manufacturing, product sourcing and distribution costs, including depreciation related to assets used in the manufacturing, procurement and distribution process, allocation of certain information technology costs supporting those processes, inbound and outbound freight, shipping and handling costs, purchasing costs associated with materials and packaging used in the production processes, and inventory valuation adjustments. Cost of products sold of $278.3 million was up $29.4 million, or 12%, from $248.9 million in the prior-year period. Foreign currency translation increased cost of products sold by $11.0 million in the current-year period. Underlying cost of products sold, excluding foreign currency translation, increased due to the inclusion of the results of Esselte for the month of January, partially offset by lower comparable net sales.

28

Gross Profit

We believe that gross profit and gross profit margin provide enhanced shareholder understanding of our underlying operating profit drivers. Gross profit of $127.5 million was up $16.6 million, or 15%, from $110.9 million in the prior-year period. Foreign currency translation increased gross profit by $6.0 million in the current-year period. Underlying gross profit, excluding foreign currency translation, increased due to the inclusion of the results of Esselte for the month of January, partially offset by lower comparable net sales.

Gross profit as a percent of net sales increased to 31.4% from 30.8%. The increase was primarily due to higher pricing in the EMEA segment.

Selling, General and Administrative Expenses

Selling, general and administrative expenses ("SG&A") include advertising, marketing, selling (including commissions), research and development, customer service, depreciation related to assets outside the manufacturing and distribution processes and all other general and administrative expenses outside the manufacturing and distribution functions (e.g., finance, human resources, and information technology). SG&A of $101.8 million was up $7.6 million, or 8%, from $94.2 million in the prior-year period. Foreign currency translation increased SG&A by $3.8 million in the current-year period. The current-year period includes $1.6 million of integration costs related to the Esselte Acquisition. The prior-year period included $4.4 million in integration and transaction costs related primarily to the Esselte Acquisition. Underlying SG&A, excluding transaction and integration costs, and foreign currency translation, increased due to the inclusion of the results of Esselte for the month of January, partially offset by cost and synergy savings.

As a percentage of net sales, SG&A decreased to 25.1% from 26.2% in the prior-year period, primarily due to lower integration and transaction costs incurred in the current-year period and restructuring and synergy savings.

Amortization of Intangibles

Amortization of intangibles was $9.3 million, up $1.3 million, or 16%, from $8.0 million in the prior-year period. The increase was due to the inclusion of the results of Esselte for the month of January.

Restructuring Charges

Restructuring charges in the current-year period of $4.7 million, primarily related to additional changes to the operating structure of the ACCO Brands North America segment and the continued integration of Esselte within the ACCO Brands EMEA segment. Restructuring charges in the prior-year period of $1.5 million related primarily to the realignment of the operating structure of our former Computer Products Group and other projects to enhance the future long-term performance of the North America business.

Operating Income

Operating income of $11.7 million was up $4.5 million, or 63%, from $7.2 million in the prior-year period. Foreign currency translation increased operating income by $1.6 million, or 22%, in the current-year period. Underlying operating income, excluding transaction and integration costs and foreign currency translation, increased primarily due to the inclusion of the results of Esselte for the month of January.

Interest Expense and Other (Income) Expense, Net

Interest expense of $9.4 million was down $0.4 million, or 4%, from $9.8 million in the prior-year period. The decrease was primarily due to lower average debt outstanding in the current-year period resulting from principal repayments primarily in the second half of 2017.

Other (income) expense, net was income of $0.6 million compared to an expense of $0.7 million in the prior-year period. The prior-year period included $0.3 million from the write-off of debt issuance costs and other costs associated with the Company's refinancing in connection with the Esselte Acquisition in the first quarter of 2017.

29

Income Taxes

For the current-year period, income tax benefit was $4.3 million on income before taxes of $6.1 million. The current-year period includes a $5.6 million benefit resulting from the partial release of the reserve for the Brazilian Tax Assessment due to the expiration of the statute of limitations for the 2011 tax year, and $2.5 million of excess tax benefits from stock-based compensation. See "Note 11. Income Taxes -Income Tax Assessment - Tilibra" to the condensed consolidated financial statements contained in Item 1. of this report for additional details on the Brazilian Tax Assessment. For the prior-year period, income tax benefit was $3.5 million on income before taxes of $0.1 million and included $5.3 million of excess tax benefits from stock-based compensation.

Net Income

Net income of $10.4 million was up $6.8 million, or 189%, from $3.6 million in the prior-year period. Diluted income per share was $0.09, up $0.06, or 200% from $0.03 per diluted share in the prior-year period. The increase in net income was primarily driven by the inclusion of the results of Esselte for the month of January.

Segment Net Sales and Operating Income for the Three Months Ended March 31, 2018 and March 31, 2017:

	Three Months Ended March 31, 2018						Amount of Change Compared to the Three Months Ended March 31, 2017
	Net Sales		Segment Operating Income (A)		Segment Operating Income Margin		Net Sales			Net Sales	Segment Operating Income			Segment Operating Income		Margin Points
(in millions of dollars)							$			%	$			%
ACCO Brands North America	$	165.6	$	2.9	1.8	%	$	(9.3	)	(5)%	$	(2.9	)	(50	)%	(150	)
ACCO Brands EMEA	154.5		14.1		9.1	%	58.0			60%	10.5			292	%	540
ACCO Brands International	85.7		5.8		6.8	%	(2.7		)	(3)%	(4.3		)	(43	)%	(460	)
Total	$	405.8	$	22.8			$	46.0			$	3.3
	Three Months Ended March 31, 2017
	Net Sales		Segment Operating Income (A)		Segment Operating Income Margin
(in millions of dollars)
ACCO Brands North America	$	174.9	$	5.8	3.3	%
ACCO Brands EMEA	96.5		3.6		3.7	%
ACCO Brands International	88.4		10.1		11.4	%
Total	$	359.8	$	19.5

(A) Segment operating income excludes corporate costs. See "Part I, Item 1. Note 16. Information on Business Segments," for a reconciliation of total Segment operating income to "Income before income tax."

ACCO Brands North America

ACCO Brands North America net sales of $165.6 million, including $0.9 million from the additional month of sales of Esselte, were down $9.3 million, or 5%, from $174.9 million in the prior-year period. Foreign currency translation increased sales by $0.9 million, or 1%, in the current-year period. Comparable net sales, excluding Esselte and foreign currency translation, decreased 6% primarily due to customer inventory reductions and lost placement, mostly of low-margin commodity products.

ACCO Brands North America operating income of $2.9 million was down $2.9 million, or 50%, from $5.8 million in the prior-year period, and operating income margin decreased to 1.8% from 3.3%. Operating income decreased due to lower sales and gross margins and higher restructuring charges ($1.8 million in the current-year period compared to $1.3 million in the prior-year period), partially offset by cost savings.

During the first quarter we began to see rising commodity costs, in part from increased tariffs in the U.S., which impact our purchase costs for paper, wire, steel and aluminum, together with increases in fuel and carrier rates. While these cost increases have not affected current reported performance, we plan to raise our prices to help offset the potential future impact.

30

ACCO Brands EMEA

ACCO Brands EMEA net sales of $154.5 million, including $42.7 million from the additional month of sales of Esselte, were up $58.0 million, or 60%, from $96.5 million in the prior-year period. Foreign currency translation increased sales by $13.7 million, or 14%, in the current-year period. Comparable net sales, excluding Esselte and foreign currency translation, increased 2% due to higher customer purchases as customers built inventory, growth in computer products and sales synergies from the Esselte Acquisition. Negatively impacting comparable net sales was the earlier timing of the Easter holiday, which occurred at the end of the first quarter of 2018 versus in the second quarter of 2017. The underlying Esselte business was flat for the quarter as growth in January was offset by declines in March that were largely driven by the Easter holiday.

ACCO Brands EMEA operating income of $14.1 million was up $10.5 million, or 292%, from $3.6 million in the prior-year period, and operating income margin increased to 9.1% from 3.7%. Foreign currency translation increased operating income by $1.3 million, or 36%, in the current-year period. Underlying operating income, excluding foreign currency translation, increased due to the inclusion of the results of Esselte for the month of January and higher gross margins and synergy savings, partially offset by increased restructuring charges and integration costs in the current-year period ($3.3 million in the current-year period compared to $1.1 million in the prior-year period).

ACCO Brands International

ACCO Brands International net sales of $85.7 million, including $0.6 million from the additional month of sales of Esselte, were down $2.7 million, or 3%, from $88.4 million in the prior-year period. Foreign currency translation increased sales by $2.4 million, or 3%, in the current-year period. Comparable net sales, excluding Esselte and foreign currency translation, decreased 7% as growth in Brazil was offset by declines in Australia/N.Z., due to lost listings and the effect of the merger of two large customers during the quarter, as well as declines in Mexico and Asia-Pacific.

ACCO Brands International operating income of $5.8 million was down $4.3 million, or 43%, from $10.1 million in the prior-year period and operating income margin decreased to 6.8% from 11.4%. Foreign currency translation increased operating income by $0.3 million in the current-year period. Underlying operating income, excluding foreign currency translation, decreased due to lower comparable net sales and gross margins resulting from higher distribution costs associated with warehouse and IT system consolidation in Australia/N.Z. These factors were partially offset by synergy savings.

SUPPLEMENTAL NON-GAAP FINANCIAL MEASURE

To supplement our consolidated financial statements presented in accordance with generally accepted accounting principles in the U.S. ("GAAP"), we provide investors with the non-GAAP financial measure "Comparable Net Sales Change at Constant Currency."

Comparable Net Sales Change at Constant Currency

We provide comparable net sales change at constant currency in order to facilitate comparisons of our historical sales results as well as highlight the underlying sales trends in our business. We use this non-GAAP financial measure in the internal evaluation and management of our business. We believe this measure provides management and investors with a more complete understanding of our underlying sales results and trends, and enhances the overall understanding of our past sales performance and our future prospects.

We calculate comparable net sales by excluding the effect of acquisitions and by translating the current-period foreign operation net sales at prior-year currency rates.

31

The following table provides a reconciliation of GAAP net sales change as reported to non-GAAP comparable net sales at constant currency:

	Amount of Change - Three Months Ended March 31, 2018 compared to the Three Months Ended March 31, 2017
	$ Change - Sales
		Non-GAAP
	GAAP				Comparable
	Net Sales		Currency		Net Sales
	Change		Translation	Acquisition	Change
ACCO Brands North America	$(9.3)		$0.9	$0.9	$(11.1)
ACCO Brands EMEA	58.0		13.7	42.7	1.6
ACCO Brands International	(2.7)		2.4	0.6	(5.7)
Total	$46.0		$17.0	$44.2	$(15.2)
	% Change - Sales
		Non-GAAP
	GAAP				Comparable
	Net Sales		Currency		Net Sales
	Change		Translation	Acquisition	Change
ACCO Brands North America	(5)%		1%	1%	(6)%
ACCO Brands EMEA	60%		14%	44%	2%
ACCO Brands International	(3)%		3%	1%	(7)%
Total	13%		5%	12%	(4)%

Liquidity and Capital Resources

Our primary liquidity needs are to service indebtedness, fund capital and support working capital requirements. Our principal sources of liquidity are cash flows from operating activities, cash and cash equivalents held and seasonal borrowings under our 2017 Revolving Facility. As of March 31, 2018, there were $147.9 million in borrowings under our $400.0 million 2017 Revolving Facility and the amount available for borrowings was $239.5 million (allowing for $12.6 million of letters of credit outstanding on that date).

We maintain adequate financing arrangements at market rates. Because of the seasonality of our business, we typically generate much of our cash flow in the first, third and fourth quarters, as accounts receivables are collected, and use cash in the second quarter to fund working capital in order to support the North America back-to-school season. Our Brazilian business is highly seasonal due to the timing of the back-to-school season, which coincides with the calendar year-end in the fourth quarter. Due to various tax laws, it is costly to transfer short-term working capital in and out of Brazil; therefore, our normal practice is to hold seasonal cash requirements in Brazil, and invest it in short-term Brazilian government securities. Consolidated cash and cash equivalents was $122.7 million as of March 31, 2018, approximately $84 million of which was held in Brazil.

On February 12, 2018, the Company's Board of Directors approved the initiation of a cash dividend program under which the Company will pay a regular quarterly cash dividend of $0.06 per share on its common stock ($0.24 per share on an annualized basis). The first dividend was payable on March 21, 2018 to stockholders of record as of the close of business on March 1, 2018. The declaration and payment of future dividends will be at the discretion of the Board of Directors and will be dependent upon, among other things, the Company's financial position, results of operations, cash flows and other factors.

In addition, on February 14, 2018, the Company announced that its Board of Directors had approved an authorization to repurchase up to an additional $100 million in shares of its common stock. As of March 31, 2018, the Company had $174.7 million remaining of its authorizations.

Our priorities for cash flow use over the near term, after funding business operations, including restructuring expenditures, are debt reduction, dividends, stock repurchases and to fund strategic acquisitions. Additionally, income tax payments are anticipated to increase to $52 million for the 2018 year, versus $35 million paid in the 2017 year, largely as the U.S. has exhausted the benefit of net operating loss generated tax assets.

32

The current senior secured credit facilities have a weighted average interest rate of 2.23% as of March 31, 2018 and our senior unsecured notes have a fixed interest rate of 5.25%.

Restructuring and Integration Activities

From time to time the Company may implement restructuring, realignment or cost-reduction plans and activities, including those related to integrating acquired businesses.

During the three months ended March 31, 2018, the Company recorded an aggregate $4.7 million in restructuring expenses primarily related to additional changes to the operating structure of the ACCO Brands North America segment and the continued integration of Esselte within the ACCO Brands EMEA segment. For additional details, see "Note 10. Restructuring" to the condensed consolidated financial statements contained in Item 1. of this report.

In addition, during the three months ended March 31, 2018, the Company recorded an aggregate $1.6 million in non-restructuring integration expenses related to the integration of the ACCO Brands and Esselte operations.

Consistent with our previous communications about the Esselte Acquisition, the Company currently expects it will record approximately $4 million for integration activities and $2.5 million in additional restructuring expenses over the balance of 2018 that were not recorded yet, pursuant to GAAP rules. As integration plans are still being finalized, it is not possible to reasonably estimate the nature or timing of these restructuring and integration charges or the timing of their associated cash outflows.

Cash Flow for the Three Months Ended March 31, 2018 and March 31, 2017

Cash Flow from Operating Activities

Cash provided by operating activities during the three months ended March 31, 2018 of $60.4 million was generated principally from net working capital (accounts receivable, inventories, accounts payable) which was only slightly less than the prior year. The overall decrease of $5.0 million from the $65.4 million provided in the comparable 2017 period, was partly driven by pension contributions in 2018 of $11.3 million which were higher than the $6.8 million contributed in 2017 primarily due to a decision to accelerate payments of contributions for the 2018 year to maximize tax deductibility. Regarding working capital, accounts receivable contributed $162.0 million, which reflects our seasonally strong fourth quarter sales, and was slightly less than was collected in the prior-year period. The use of cash for inventory of $43.5 million was higher than the prior-year period of $31.2 million due to the timing of seasonal inventory builds for certain commodity materials and the timing of customer purchases in the prior year. The source of cash provided by accounts payable of $8.8 million in 2018, which compared to a use of $4.3 million in the prior-year period, was due to higher inventory levels in 2018 and a higher than normal level of post-acquisition payments in 2017 following the acquisition of Esselte. In addition, significant employee annual incentive payments made in the first quarter, which, along with interest and tax payments, were broadly in line with those made during the prior year.

The table below shows our cash flow from accounts receivable, inventories and accounts payable for the three months ended March 31, 2018 and 2017:

	Three Months Ended
(in millions of dollars)	March 31, 2018			March 31, 2017
Accounts receivable	$	162.0		$	165.3
Inventories	(43.5		)	(31.2		)
Accounts payable	8.8			(4.3		)
Cash flow provided by net working capital	$	127.3		$	129.8

Cash Flow from Investing Activities

Cash used by investing activities was $8.0 million and $297.7 million for the three months ended March 31, 2018 and 2017, respectively. The 2017 cash outflow reflects $292.6 million of purchase price, net of cash acquired, in connection with the Esselte Acquisition. For further details, see "Note 3. Acquisition" to the condensed consolidated financial statements contained in Item 1. of this report. Capital expenditures were $8.0 million and $5.2 million for the three months ended March 31, 2018 and 2017, respectively, with the increase versus the prior-year period driven by information technology systems-related investments.

33

Cash Flow from Financing Activities

Cash used by financing activities was $7.0 million for the three months ended March 31, 2018, compared to $306.4 million provided for the same period of 2017. Cash used in 2018 includes $11.2 million for repurchases of our common stock and payments related to tax withholding for stock-based compensation, net of proceeds received from the exercise of stock options, and $6.4 million for payment of dividends, partially offset by incremental net borrowings of $9.9 million.

Cash provided in 2017 reflects proceeds from net long-term borrowings of $317.6 million largely in connection with the Esselte Acquisition. Additionally, we used cash of $7.8 million for payments related to tax withholding for stock-based compensation, net of proceeds received from the exercise of stock options, and $3.4 million of debt issuance costs associated with the first quarter 2017 debt refinancing in connection with the Esselte Acquisition.

Credit Facilities and Notes Covenants

As of and for the periods ended March 31, 2018 and December 31, 2017, the Company was in compliance with all applicable loan covenants.

Guarantees and Security

Generally, obligations under the 2017 Credit Agreement are guaranteed by certain of the Company’s existing and future subsidiaries, and are secured by substantially all of the Company’s and certain guarantor subsidiaries’ assets, subject to certain exclusions and limitations.

Adequacy of Liquidity Sources

We believe that cash flow from operations, our current cash balance and other sources of liquidity, including borrowings available under the 2017 Revolving Facility, will be adequate to support our requirements for working capital, capital and restructuring expenditures and to service indebtedness for the foreseeable future.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

See "Part II, Item 7A. Quantitative and Qualitative Disclosures about Market Risk" of the Company’s Annual Report on Form 10-K for the year ended December 31, 2017. There have been no material changes to Foreign Exchange Risk Management or Interest Rate Risk Management in the quarter ended March 31, 2018 or through the date of this report.

ITEM 4. CONTROLS AND PROCEDURES

(a) Evaluation of Disclosure Controls and Procedures.

As of the end of the period covered by this Quarterly Report on Form 10-Q, we carried out an evaluation, under the supervision and with the participation of, our Disclosure Committee, including the Chief Executive Officer and the Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended). Based upon that evaluation, the Chief Executive Officer and the Chief Financial Officer have concluded that our disclosure controls and procedures were effective.

(b) Changes in Internal Control over Financial Reporting.

There were no changes in our internal control over financial reporting that occurred during the quarter ended March 31, 2018 that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.

34

PART II — OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

There are various claims, lawsuits and pending actions against us incidental to our operations, including the income tax assessment against our Brazilian subsidiary, Tilibra Produtos de Papelaria Ltda (the "Brazilian Tax Assessment"), which is more fully described in our Annual Report on Form 10-K for the year ended December 31, 2017 and in "Part I, Item 1. Note 11. Income Taxes - Income Tax Assessment - Tilibra" to the Condensed Consolidated Financial Statements contained in this Quarterly Report on Form 10-Q. It is the opinion of management that (other than the Brazilian Tax Assessment) the ultimate resolution of these matters will not have a material adverse effect on our consolidated financial condition, results of operations or cash flow. However, there is no assurance that we will ultimately be successful in our defense of any of these matters or that an adverse outcome in any matter will not affect our results of operations, financial condition or cash flow.

ITEM 1A. RISK FACTORS

There have been no material changes in our risk factors from those disclosed in "Part I, Item 1A. Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2017.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(a) Not applicable.

(b) Not applicable.

(c) Common Stock Purchases

The following table provides information about our purchases of equity securities during the quarter ended March 31, 2018:

Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plan or Program(1)	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program(1)
January 1, 2018 to January 31, 2018	184,282	$	12.27	184,282	$	81,703,514
February 1, 2018 to February 28, 2018	465,756	11.62		465,756	176,290,730
March 1, 2018 to March 31, 2018	122,414	12.85		122,414	174,718,137
Total	772,452	$	11.97	772,452	$	174,718,137

(1) On October 28, 2015, the Company announced that its Board of Directors had approved the repurchase of up to $100 million in shares of its common stock. On February 14, 2018, the Company announced that its Board of Directors had approved an authorization to repurchase up to an additional $100 million in shares of its common stock.

The number of shares to be purchased, if any, and the timing of purchases will be based on the Company's stock price, leverage ratios, cash balances, general business and market conditions, and other factors, including alternative investment opportunities and working capital needs. The Company may repurchase its shares, from time to time, through a variety of methods, including open-market purchases, privately negotiated transactions and block trades or pursuant to repurchase plans designed to comply with the Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. Any stock repurchases will be subject to market conditions, SEC regulations and other considerations and may be commenced or suspended at any time or from time to time, without prior notice. Accordingly, there is no guarantee as to the number of shares that will be repurchased or the timing of such repurchases.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

35

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

None.

ITEM 6. EXHIBITS

Exhibit

Number    Description of Exhibit

31.1 Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *

31.2 Certification of the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *

32.1 Certification of the Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 **

32.2 Certification of the Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 **

101 The following financial statements from the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2018 formatted in XBRL (eXtensible Business Reporting Language): (i) the Condensed Consolidated Balance Sheets, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Condensed Consolidated Statements of Cash Flows and (v) related notes to those financial statements*

* Filed herewith.

** Furnished herewith.

36

SIGNATURES

Pursuant to the requirements of the Section 13 or 15(d) 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.

REGISTRANT:
ACCO BRANDS CORPORATION
By:	/s/ Boris Elisman
Boris Elisman
Chairman, President and Chief Executive Officer (principal executive officer)
By:	/s/ Neal V. Fenwick
Neal V. Fenwick
Executive Vice President and Chief Financial Officer (principal financial officer)
By:	/s/ Kathleen D. Schnaedter
Kathleen D. Schnaedter
Senior Vice President and Chief Accounting Officer (principal accounting officer)

Date: May 1, 2018

37

EX-31.1

Exhibit 31.1

CERTIFICATIONS

I, Boris Elisman, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of ACCO Brands Corporation;

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 we 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.

By:	/s/ Boris Elisman
	Boris Elisman
	Chairman, President and Chief Executive Officer

Date:May 1, 2018

EX-31.2

Exhibit 31.2

CERTIFICATIONS

I, Neal V. Fenwick, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of ACCO Brands Corporation;

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 we 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.

By:	/s/ Neal V. Fenwick
	Neal V. Fenwick
	Executive Vice President and Chief Financial Officer

Date: May 1, 2018

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

As adopted pursuant to

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of ACCO Brands Corporation on Form 10-Q for the period ended March 31, 2018 as filed with the Securities and Exchange Commission on the date hereof, (the "Report"), I, Boris Elisman, Chief Executive Officer of ACCO Brands Corporation, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of ACCO Brands Corporation.

By:	/s/ Boris Elisman
	Boris Elisman
	Chairman, President and Chief Executive Officer

Date: May 1, 2018

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

As adopted pursuant to

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of ACCO Brands Corporation on Form 10-Q for the period ended March 31, 2018 as filed with the Securities and Exchange Commission on the date hereof, (the "Report"), I, Neal V. Fenwick, Chief Financial Officer of ACCO Brands Corporation, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of ACCO Brands Corporation.

By:	/s/ Neal V. Fenwick
	Neal V. Fenwick
	Executive Vice President and Chief Financial Officer

Date: May 1, 2018

XML

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Apr. 24, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	ACCO BRANDS CORP
Entity Central Index Key	0000712034
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		107,206,084

XML

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 122.7	$ 76.9
Accounts receivable, net	316.1	469.3
Inventories	294.5	254.2
Other current assets	51.5	29.2
Total current assets	784.8	829.6
Total property, plant and equipment	657.1	645.2
Less: accumulated depreciation	(376.8)	(366.7)
Property, plant and equipment, net	280.3	278.5
Deferred income taxes	132.9	137.9
Goodwill	667.9	670.3
Identifiable intangibles, net	838.1	839.9
Other non-current assets	50.7	42.9
Total assets	2,754.7	2,799.1
Current liabilities:
Notes payable	0.7	0.0
Current portion of long-term debt	42.0	43.2
Accounts payable	188.6	178.2
Accrued compensation	40.4	60.9
Accrued customer program liabilities	98.5	141.1
Accrued interest	6.8	1.2
Other current liabilities	112.1	113.8
Total current liabilities	489.1	538.4
Long-term debt, net	908.4	889.2
Deferred income taxes	174.8	177.1
Pension and post-retirement benefit obligations	268.3	275.5
Other non-current liabilities	149.1	144.8
Total liabilities	1,989.7	2,025.0
Stockholders' equity:
Common stock	1.1	1.1
Treasury stock	(33.9)	(26.4)
Paid-in capital	1,999.1	1,999.7
Accumulated other comprehensive loss	(467.4)	(461.1)
Accumulated deficit	(733.9)	(739.2)
Total stockholders' equity	765.0	774.1
Total liabilities and stockholders' equity	$ 2,754.7	$ 2,799.1

XML

Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Net sales		$ 405.8	$ 359.8
Cost of products sold		278.3	248.9
Gross profit		127.5	110.9
Operating costs and expenses:
Advertising, selling, general and administrative expenses		101.8	94.2
Amortization of intangibles		9.3	8.0
Restructuring charges		4.7	1.5
Total operating costs and expenses		115.8	103.7
Operating income	[1]	11.7	7.2
Non-operating expense (income):
Interest expense		9.4	9.8
Interest income		(1.0)	(1.3)
Non-operating pension income		(2.2)	(2.1)
Other (income) expense, net		(0.6)	0.7
Income before income tax		6.1	0.1
Income tax benefit		(4.3)	(3.5)
Net income		$ 10.4	$ 3.6
Basic income per share:
Basic income per share		$ 0.10	$ 0.03
Diluted income per share:
Diluted income per share		$ 0.09	$ 0.03
Weighted average number of shares outstanding:
Basic		106.8	108.3
Diluted		110.0	112.4
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]
Dividends per common share		$ 0.06	$ 0.00

[1] Operating income as presented in the segment table above is defined as i) net sales; ii) less cost of products sold; iii) less advertising, selling, general and administrative expenses; iv) less amortization of intangibles; and v) less restructuring charges.

XML

Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 10.4	$ 3.6
Other comprehensive (loss) income, net of tax:
Unrealized income (loss) on derivative instruments, net of tax (expense) benefit of $(0.3) and $0.7, respectively	0.6	(1.9)
Foreign currency translation adjustments, net of tax (expense) benefit of $(2.7) and $0.0, respectively	(4.3)	12.5
Recognition of deferred pension and other post-retirement items, net of tax benefit of $0.9 and $0.1, respectively	(2.6)	(0.5)
Other comprehensive (loss) income, net of tax	(6.3)	10.1
Comprehensive income	$ 4.1	$ 13.7

XML

Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) Consolidated Statements of Comprehensive Income (Loss) Parenthetical - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Unrealized income (loss) on derivative instruments, net of tax (expense) benefit of $(0.3) and $0.7, respectively	$ 0.3	$ (0.7)
Foreign currency translation adjustments, net of tax (expense) benefit of $(2.7) and $0.0, respectively	2.7	0.0
Recognition of deferred pension and other post-retirement items, net of tax benefit of $0.9 and $0.1, respectively	$ 0.9	$ 0.1

XML

Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities
Net income	$ 10.4	$ 3.6
Amortization of inventory step-up	0.0	0.9
Loss on disposal of assets	0.1	0.0
Depreciation	9.0	9.0
Amortization of debt issuance costs	0.5	1.4
Amortization of intangibles	9.3	8.0
Stock-based compensation	3.2	2.4
Changes in balance sheet items:
Accounts receivable	162.0	165.3
Inventories	(43.5)	(31.2)
Other assets	(8.0)	(0.8)
Accounts payable	8.8	(4.3)
Accrued expenses and other liabilities	(78.7)	(73.4)
Accrued income taxes	(12.7)	(15.5)
Net cash provided by operating activities	60.4	65.4
Investing activities
Additions to property, plant and equipment	(8.0)	(5.2)
Proceeds from the disposition of assets	0.0	0.1
Cost of acquisitions, net of cash acquired	0.0	(292.6)
Net cash used by investing activities	(8.0)	(297.7)
Financing activities
Proceeds from long-term borrowings	21.5	412.0
Repayments of long-term debt	(11.6)	(94.4)
Borrowings of notes payable, net	0.7	0.0
Payments for debt issuance costs	0.0	(3.4)
Dividends paid	(6.4)	0.0
Repurchases of common stock	(9.1)	0.0
Payments related to tax withholding for stock-based compensation	(7.4)	(9.2)
Proceeds from the exercise of stock options	5.3	1.4
Net cash (used) provided by financing activities	(7.0)	306.4
Effect of foreign exchange rate changes on cash and cash equivalents	0.4	1.3
Net increase in cash and cash equivalents	45.8	75.4
Cash and cash equivalents
Beginning of the period	76.9	42.9
End of the period	$ 122.7	$ 118.3

XML

Basis Of Presentation

3 Months Ended

Mar. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis Of Presentation

1. Basis of Presentation

As used in this Quarterly Report on Form 10-Q for the quarter ended March 31, 2018, the terms "ACCO Brands," "ACCO," the "Company," "we," "us," and "our" refer to ACCO Brands Corporation and its consolidated subsidiaries.

The management of ACCO Brands Corporation is responsible for the accuracy and internal consistency of the preparation of the condensed consolidated financial statements and notes contained in this Quarterly Report on Form 10-Q.

The condensed consolidated interim financial statements have been prepared pursuant to the rules and regulations of the SEC. Although the Company believes the disclosures are adequate to make the information presented not misleading, certain information and note disclosures normally included in annual financial statements prepared in accordance with generally accepted accounting principles in the U.S. ("GAAP") have been condensed or omitted pursuant to those rules and regulations. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

The Condensed Consolidated Balance Sheet as of March 31, 2018, the related Consolidated Statements of Income and the Consolidated Statements of Comprehensive Income for the three months ended March 31, 2018 and 2017 and Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2018 and 2017 are unaudited. The December 31, 2017 Condensed Consolidated Balance Sheet data was derived from audited financial statements, but does not include all annual disclosures required by GAAP. The above referenced financial statements included herein were prepared by management and reflect all adjustments (consisting solely of normal recurring items unless otherwise noted) which are, in the opinion of management, necessary for the fair presentation of results of operations and cash flows for the interim periods ended March 31, 2018 and 2017, and the financial position of the Company as of March 31, 2018. Interim results may not be indicative of results for a full year.

On January 31, 2017, the Company completed the acquisition (the "Esselte Acquisition") of Esselte Group Holdings AB ("Esselte"). Accordingly, the financial results of Esselte are included in the Company's condensed consolidated financial statements as of February 1, 2017, and are reflected in all three of the Company's reportable segments. See "Note 3. Acquisition" for details on the Esselte Acquisition.

In accordance with the adoption of the accounting standard ASU No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost, the Company has retrospectively revised the presentation of the non-service components of periodic pension income/cost to "Non-operating pension income" in the Consolidated Statements of Income. See "Note 2. Recent Accounting Pronouncements" for details on the new standard.

The preparation of financial statements in conformity with GAAP requires management to make certain estimates and assumptions that affect the reported assets and liabilities at the date of the financial statements and the reported revenues and expenses during the reporting periods. Actual results could differ from those estimates.

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Recent Accounting Pronouncements

3 Months Ended

Mar. 31, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Pronouncements

2. Recent Accounting Pronouncements

In February 2018, the Financial Accounting Standards Board (the "FASB") issued ASU No. 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220). In December 2017, the Tax Cuts and Jobs Act (the "U.S. Tax Act") was signed into law. Prior to ASU 2018-02, GAAP required deferred tax assets and deferred tax liabilities to be adjusted for the effect of a change in tax laws or rates with the effect included in income from continuing operations in the reporting period including the enactment date. The U.S. Tax Act reduces the historical U.S corporate tax rate and the effect of that change is required to be included in income from continuing operations, even if the original tax effects were recorded in Accumulated Other Comprehensive Income ("AOCI"). This could cause some tax effects to become stranded in AOCI as they are not updated to reflect the new tax rate. This new standard allows a company to elect to reclass the stranded tax effects resulting from the U.S. Tax Act from AOCI to retained earnings. The adoption of the new standard may be applied in the period of adoption or retrospectively to each period(s) effected by the change in the corporate tax rate. The Company is currently in the process of evaluating the impact of adoption of ASU 2018-02 on the Company’s consolidated financial statements. ASU 2018-02 is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2018. Early adoption of the standard is permitted including adoption in any interim period for which financial statements have not been issued.

In August 2017, the FASB issued ASU No. 2017-12, Derivative and Hedging (Topic 815), Targeted Improvements to Accounting for Hedging Activities. The new standard improves certain aspects of the hedge accounting model, including making more risk management strategies eligible for hedge accounting and simplifying the assessment of hedge effectiveness. The Company is currently in the process of assessing the impact of adoption of ASU 2017-12 on the Company's consolidated financial statements. The Company will adopt ASU 2017-12 effective with its 2019 fiscal year.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This ASU amends the existing accounting standard for leases. The amendments are intended to increase transparency and comparability among organizations by requiring recognition of lease assets and lease liabilities on the balance sheet and disclosure of key information about leasing arrangements. The new standard will be effective for annual periods beginning after December 15, 2018, including interim periods within that reporting period, and early application is permitted. The Company is currently evaluating the new guidance to determine the impact it will have on its consolidated financial statements and disclosures, but expects the impact to the Company’s Consolidated Balance Sheets to be significant. At this time, the Company does not expect adoption of ASU 2016-02 to have a material impact on its Consolidated Statements of Income as the majority of its leases will remain operating in nature. The Company is in the process of analyzing existing leases, practical expedients, and deploying its implementation strategy. The Company will adopt ASU 2016-02 at the beginning of its 2019 fiscal year.

Other than the items mentioned above, there are no other recently issued accounting standards that are expected to have a material effect on the Company’s financial condition, results of operations or cash flow.

Recently Adopted Accounting Standards

On January 1, 2018, we adopted the accounting standard ASU No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The new standard requires presentation of all components of net periodic pension and postretirement benefit costs, other than service costs, in an income statement line item outside of a subtotal of income from operations. The service cost component will continue to be presented in the same line item as other employee compensation costs. The Company used the practical expedient which permits an employer to use the amounts disclosed in its pension disclosures as the basis for applying the retrospective presentation requirements. On this basis, the Company restated its operating income which was reduced by $8.5 million for the year ended December 31, 2017 and $2.1 million for the three months ended March 31, 2017.

On January 1, 2018, we adopted the accounting standard ASU 2014-09, Revenue from Contracts with Customers and all the related amendments (Topic 606) and applied it to contracts which were not completed as of January 1, 2018 using the modified retrospective method. A completed contract is one where all (or substantially all) of the revenue was recognized in accordance with the revenue guidance that was in effect before the date of initial application of ASU 2014-09. We recognized the cumulative effect of $1.6 million, net of tax, upon adopting ASU 2014-09 as an addition to opening retained earnings as of January 1, 2018. The comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods.

The majority of our revenue is recognized at a point in time, when control is transferred to our customer, which is usually when products are shipped or delivered based upon the specific terms contained within the agreement. Our general payment terms are usually within 30-90 days. We do not have any significant financing components.

The cumulative effect of the changes on our January 1, 2018 opening Condensed Consolidated Balance Sheet due to the adoption of ASU 2014-09 were as follows:

(in millions of dollars)	Balance at December 31, 2017			Adjustments due to ASU 2014-09			Balance at January 1, 2018
Assets:
Inventories	$	254.2		$	(3.5	)	$	250.7
Other current assets	29.2			6.9			36.1
Liabilities and stockholders' equity:
Accrued customer program liabilities	141.1			1.1			142.2
Other current liabilities	113.8			0.1			113.9
Deferred income taxes	177.1			0.6			177.7
Accumulated deficit	(739.2		)	1.6			(737.6		)

The impact of the adoption of ASU 2014-09 on our Consolidated Statements of Income and Condensed Consolidated Balance Sheet for the three-month period ended March 31, 2018 was as follows:

	Three Months Ended March 31, 2018
(in millions of dollars)	As Reported			Balances without adoption of ASU 2014-09			Effect of Change Higher/(Lower)
Consolidated Statements of Income:
Net sales	$	405.8		$	405.7		$	0.1
Cost of products sold	278.3			278.4			(0.1		)
Net income	10.4			10.2			0.2
Condensed Consolidated Balance Sheet:
Assets:
Accounts receivable, net	316.1			313.8			2.3
Inventories	294.5			297.3			(2.8		)
Other current assets	51.5			44.4			7.1
Liabilities and stockholders' equity:
Accrued customer program liabilities	98.5			97.9			0.6
Other current liabilities	112.1			108.5			3.6
Deferred income taxes	174.8			174.2			0.6
Accumulated deficit	(733.9		)	(735.7		)	1.8

See "Note 5. Revenue Recognition" for the required disclosures related to ASU 2014-09.

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Acquisitions

3 Months Ended

Mar. 31, 2018

Business Combinations [Abstract]

Acquisitions

3. Acquisition

On January 31, 2017, ACCO Europe Limited ("ACCO Europe"), an indirect wholly-owned subsidiary of the Company, completed the Esselte Acquisition. The Esselte Acquisition was made pursuant to the share purchase agreement dated October 21, 2016, as amended (the "Purchase Agreement"), among ACCO Europe, the Company and an entity controlled by J. W. Childs (the "Seller").

With the acquisition of Esselte, ACCO Brands is a leading European manufacturer and marketer of branded consumer and office products. Esselte takes products to market under the Leitz^®, Rapid^® and Esselte^® brands in the storage and organization, stapling, punching, business machines and do-it-yourself tools product categories. The combination improved ACCO Brands’ scale and enhanced its position as an industry leader in Europe.

The purchase price paid at closing was €302.9 million (US$326.8 million based on January 31, 2017 exchange rates) and was subject to a working capital adjustment that reduced it by $0.3 million. The purchase price, net of cash acquired of $34.2 million, was $292.3 million. A portion of the purchase price (€8.1 million (US$8.7 million based on January 31, 2017 exchange rates)) is being held in an escrow account for a period of up to two years after closing as ACCO Europe’s sole recourse against Seller in the event of any claims against Seller under the Purchase Agreement. A warranty and indemnity insurance policy held by the Company and ACCO Europe insures certain of Seller’s contractual obligations to ACCO Europe under the Purchase Agreement for up to €40.0 million (US$43.2 million based on January 31, 2017 exchange rates) for a period of up to seven years, subject to certain deductibles and limitations set forth in the policy.

The Esselte Acquisition and related expenses were funded through a term loan of €300.0 million (US$320.8 million based on January 27, 2017 exchange rates) and cash on hand.

For accounting purposes, the Company is the acquiring enterprise. The Esselte Acquisition is being accounted for as a purchase combination and Esselte's results are included in the Company’s condensed consolidated financial statements as of February 1, 2017. Esselte contributed approximately $44.2 million of net sales for the month ended January 31, 2018.

The following table presents the allocation of the consideration given to the fair values of the assets acquired and liabilities assumed at the date of acquisition.

(in millions of dollars)	At January 31, 2017
Calculation of Goodwill:
Purchase price, net of working capital adjustment	$	326.5
Plus fair value of liabilities assumed:
Accounts payable and accrued liabilities	121.9
Deferred tax liabilities	83.6
Pension obligations	174.1
Other non-current liabilities	5.8
Fair value of liabilities assumed	$	385.4
Less fair value of assets acquired:
Cash acquired	34.2
Accounts receivable	60.0
Inventory	41.9
Property, plant and equipment	75.6
Identifiable intangibles	277.0
Deferred tax assets	106.3
Other assets	10.4
Fair value of assets acquired	$	605.4
Goodwill	$	106.5

In the fourth quarter of 2017, we finalized our fair value estimate of assets acquired and liabilities assumed as of the acquisition date. No additional adjustments to the goodwill related to the Esselte Acquisition will be recognized.

The excess of the purchase price over the fair value of net assets acquired was allocated to goodwill. The goodwill of $106.5 million is primarily attributable to synergies expected to be realized from facility integration, headcount reduction and other operational streamlining activities, and from the existence of an assembled workforce.

During the three months ended March 31,2017, transaction costs related to the Esselte Acquisition were $2.1 million. For the year ended December 31, 2017, transaction costs totaled $5.0 million. These costs were reported as selling, general and administrative expenses.

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Long-Term Debt And Short-Term Borrowings

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Long-Term Debt And Short-Term Borrowings

4. Long-term Debt and Short-term Borrowings

Notes payable and long-term debt, listed in order of the priority of security interests in assets of the Company, consisted of the following as of March 31, 2018 and December 31, 2017:

(in millions of dollars)	March 31, 2018		December 31, 2017
Euro Senior Secured Term Loan A, due January 2022 (floating interest rate of 1.50% at March 31, 2018 and 1.50% at December 31, 2017)	$	350.6	$	345.0
Australian Dollar Senior Secured Term Loan A, due January 2022 (floating interest rate of 3.44% at March 31, 2018 and 3.29% at December 31, 2017)	58.3		60.0
U.S. Dollar Senior Secured Revolving Credit Facility, due January 2022 (floating interest rate of 3.57% at March 31, 2018 and 3.53% at December 31, 2017)	56.5		48.9
Australian Dollar Senior Secured Revolving Credit Facility, due January 2022 (floating interest rate of 3.40% at March 31, 2018 and 3.28% at December 31, 2017)	91.4		85.0
Senior Unsecured Notes, due December 2024 (fixed interest rate of 5.25%)	400.0		400.0
Other borrowings	1.2		0.6
Total debt	958.0		939.5
Less:
Current portion	42.8		43.2
Debt issuance costs, unamortized	6.8		7.1
Long-term debt, net	$	908.4	$	889.2

In connection with the Esselte Acquisition, the Company entered into a Third Amended and Restated Credit Agreement (the "2017 Credit Agreement"), dated as of January 27, 2017, among the Company, certain subsidiaries of the Company, Bank of America, N.A., as administrative agent, and the other agents and various lenders party thereto. The 2017 Credit Agreement provides for a five-year senior secured credit facility, which consists of a €300.0 million (US$320.8 million based on January 27, 2017 exchange rates) term loan facility, a A$80.0 million (US$60.4 million based on January 27, 2017 exchange rates) term loan facility, and a US$400.0 million multi-currency revolving credit facility (the "2017 Revolving Facility").

As of March 31, 2018, there were $147.9 million in borrowings outstanding under the 2017 Revolving Facility. The remaining amount available for borrowings was $239.5 million (allowing for $12.6 million of letters of credit outstanding on that date).

As more fully described in the Company's 2017 Annual Report on Form 10-K, we must meet certain restrictive debt covenants under the senior secured credit facilities. The indenture governing our outstanding senior unsecured notes also contains certain covenants. As of and for the periods ended March 31, 2018 and December 31, 2017, the Company was in compliance with all applicable loan covenants.

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Revenue Reccognition

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Revenue

5. Revenue Recognition

On January 1, 2018, the Company adopted the accounting standard ASU 2014-09, Revenue from Contracts with Customers and all related amendments (Topic 606), applying the modified retrospective transition method to all contracts that were not completed as of January 1, 2018. Results for reporting periods beginning after December 31, 2017 are presented under ASU 2014-09, while prior period amounts are not adjusted and continue to be reported under the accounting standards in effect for the prior period. The Company recorded a net increase to beginning retained earnings of $1.6 million as of January 1, 2018 due to the cumulative impact of adopting ASU 2014-09. The impact to revenues for the three months ended March 31, 2018 was immaterial as a result of adopting ASU 2014-09.

Revenue is recognized when control of the promised goods or services is transferred to our customers in an amount reflective of the consideration we expect to be receive in exchange for those goods or services. Taxes we collect concurrent with revenue producing activities are excluded from revenue. Incidental items incurred that are immaterial in the context of the contract are expensed. We have elected the practical expedient to not disclose contracts that have a term of 1 year or less.

Performance Obligations

At the inception of each contract, the Company assesses the products and services promised and identifies each distinct performance obligation. To identify the performance obligations, the Company considers all products and services promised regardless of whether they are explicitly stated or implied within the contract or by standard business practices.

Freight and distribution activities performed before the customer obtains control of the goods are not considered promised services under customer contracts and therefore are not distinct performance obligations. The Company has chosen to make an accounting policy election to account for shipping and handling activities that occur after the customer obtains control of the goods as a fulfillment activity, and therefore accrues the expense of freight and distribution in Cost of products sold when product is shipped.

Nature of our Products and Services

Products: For our products, we transfer control and recognize a sale when we either ship the product from our manufacturing facility or distribution center, procure the product from one of our vendors or upon delivery to a customer specified location depending upon the terms in the customer agreement. For consignment arrangements, revenue is not recognized until the products are sold to the end customer. The amount of consideration we receive and revenue we recognize is impacted by incentives ("Customer Program Costs"), including sales rebates; which are generally tied to achievement of certain sales volume levels, in-store promotional allowances, shared media and customer catalog allowances and other cooperative advertising arrangements; and freight allowance programs, offered to our customers; and allowance for returns and discounts. We generally recognize Customer Program Costs as a deduction to gross sales at the time that the associated revenue is recognized. We estimate discounts based upon an analysis of historical trends and record as reductions to "Net sales" and "Accounts receivable, net". We estimate and record a returns reserve, on a gross basis, as a reduction to "Net sales" and "Cost of products sold" with increases to "Other current liabilities" and "Inventories." We adjust our estimate of revenue when the most likely amount of consideration we expect to receive changes.

Service or Extended Maintenance Agreements ("EMAs"): Depending on the terms of a customer agreement, we may defer recognition of a portion of the consideration received because we have to satisfy a future obligation (e.g. EMAs). We use an observable price to determine the stand-alone selling price for separate performance obligations or a cost plus margin approach, for our separately priced service/maintenance agreements that extend mechanical and maintenance coverage beyond our base warranty coverage to our Print Finishing Solutions ("PFS") customers. These agreements range in duration from three months to 60 months, but are primarily one year or less. We receive payment at inception of the EMAs and recognize revenue over the term of the agreement on a straight line basis or bill on a monthly/quarterly basis. As of January 1, 2018, $5.2 million of unearned revenue associated with outstanding contracts was primarily reported in "Other current liabilities". $3.9 million of unearned revenue was recognized during the three months ended March 31,2018. As of March 31, 2018, the amount of unearned revenue was $5.0 million. We expect to recognize approximately $4.3 million of the unearned amount in the next 12 months and $0.7 million in future periods beyond the next 12 months.

Disaggregation of Revenues

In accordance with ASU 2014-09, the following table disaggregates revenue from contracts with customers into regional geographies. The Company has determined that disaggregating revenue into these categories provides appropriate disclosure and achieves associated objectives to depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors.

The following table presents our revenue disaggregated by regional geography⁽¹⁾, based upon our reporting segments for the three months ended March 31, 2018 and 2017:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
United States	$	144.4	$	154.7
Canada	21.2		20.2
ACCO Brands North America	165.6		174.9
ACCO Brands EMEA(2)	154.5		96.5
Australia/N.Z.	39.8		43.2
Latin America	33.5		33.2
Asia-Pacific	12.4		12.0
ACCO Brands International	85.7		88.4
Net sales	$	405.8	$	359.8

(1) Net sales are attributed to geographic areas based on the location of the selling subsidiaries.

(2) ACCO Brands EMEA is comprised largely of Europe, but also includes export sales to the Middle East and Africa.

The following table presents our revenue disaggregated by the timing of revenue recognition for the three months ended March 31, 2018:

	Three Months Ended March 31,
(in millions of dollars)	2018
Product and Services transferred at a point in time	$	391.4
Product and Services transferred over time	14.4
Net sales	$	405.8

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Pension And Other Retiree Benefits

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Pension And Other Retiree Benefits

6. Pension and Other Retiree Benefits

The components of net periodic benefit (income) cost for pension and post-retirement plans for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	Pension												Post-retirement
	U.S.						International
(in millions of dollars)	2018			2017			2018			2017			2018			2017
Service cost	$	0.4		$	0.3		$	0.5		$	0.3		$	—		$	—
Interest cost	1.7			1.8			3.4			2.9			—			—
Expected return on plan assets	(2.9		)	(3.1		)	(5.9		)	(4.9		)	—			—
Amortization of net loss (gain)	0.6			0.5			0.9			0.7			(0.1		)	(0.1		)
Amortization of prior service cost (credit)	0.1			0.1			—			—			—			—
Net periodic benefit (income) expense(1)	$	(0.1	)	$	(0.4	)	$	(1.1	)	$	(1.0	)	$	(0.1	)	$	(0.1	)

(1) The components, other than service cost, are included in the line "Non-operating pension income" in the Consolidated Statements of Income.

We expect to contribute approximately $20.3 million to our defined benefit plans in 2018. For the three months ended March 31, 2018, we have already contributed $11.3 million to these plans.

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

7. Stock-Based Compensation

The following table summarizes our stock-based compensation expense (including stock options, restricted stock units ("RSUs") and performance stock units ("PSUs")) for the three months ended March 31, 2018 and 2017:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
Stock option compensation expense	$	0.5	$	0.6
RSU compensation expense	0.9		1.0
PSU compensation expense	1.8		0.8
Total stock-based compensation expense	$	3.2	$	2.4

We generally recognize compensation expense for stock-based awards ratably over the vesting period. During thefirstquarter of 2018, the Company's Board of Directors approved a stock compensation grant which consisted of769,477 stock options, 387,789RSUs and747,996PSUs.

The following table summarizes our unrecognized compensation expense and the weighted-average period over which the expense will be recognized as of March 31, 2018:

	March 31, 2018
	Unrecognized	Weighted Average
	Compensation	Years Expense To Be
(in millions of dollars, except weighted average years)	Expense	Recognized Over
Stock options	$5.0	2.6
RSUs	$8.6	2.4
PSUs	$17.8	2.1

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Inventories

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

8. Inventories

The components of inventories were as follows:

(in millions of dollars)	March 31, 2018		December 31, 2017
Raw materials	$	45.3	$	38.2
Work in process	4.5		4.1
Finished goods	244.7		211.9
Total inventories	$	294.5	$	254.2

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Goodwill And Identifiable Intangibles

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill And Identifiable Intangibles

9. Goodwill and Identifiable Intangible Assets

Goodwill

As more fully described in the Company’s 2017 Annual Report on Form 10-K, we test goodwill for impairment at least annually and on an interim basis if an event or circumstance indicates that it is more likely than not that an impairment loss has been incurred. The Company performed this annual assessment, on a qualitative basis, as allowed by GAAP, in the second quarter of 2017 and concluded that no impairment existed.

Changes in the net carrying amount of goodwill by segment were as follows:

(in millions of dollars)	ACCO Brands North America		ACCO Brands EMEA			ACCO Brands International		Total
Balance at December 31, 2017	$	375.6	$	129.4		$	165.3	$	670.3
Translation	—		(2.4		)	—		(2.4		)
Balance at March 31, 2018	$	375.6	$	127.0		$	165.3	$	667.9

The goodwill balance is net of $215.1 million of accumulated impairment losses.

Identifiable Intangible Assets

The gross carrying value and accumulated amortization by class of identifiable intangible assets as of March 31, 2018 and December 31, 2017 were as follows:

	March 31, 2018								December 31, 2017
(in millions of dollars)	Gross Carrying Amounts		Accumulated Amortization				Net Book Value		Gross Carrying Amounts		Accumulated Amortization				Net Book Value
Indefinite-lived intangible assets:
Trade names	$	603.1	$	(44.5	)	(1)	$	558.6	$	599.5	$	(44.5	)	(1)	$	555.0
Amortizable intangible assets:
Trade names	196.6		(62.1		)		134.5		195.3		(59.4		)		135.9
Customer and contractual relationships	245.4		(105.7		)		139.7		243.0		(99.3		)		143.7
Patents	5.9		(0.6		)		5.3		5.8		(0.5		)		5.3
Subtotal	447.9		(168.4		)		279.5		444.1		(159.2		)		284.9
Total identifiable intangibles	$	1,051.0	$	(212.9	)		$	838.1	$	1,043.6	$	(203.7	)		$	839.9

(1) Accumulated amortization prior to the adoption of authoritative guidance on goodwill and indefinite-lived intangible assets, at which time further amortization ceased.

The Company’s intangible amortization expense was $9.3 million and $8.0 million for the three months ended March 31,2018 and 2017, respectively.

Estimated amortization expense for amortizable intangible assets as of March 31, 2018 for the current year and the next five years are as follows:

(in millions of dollars)	2018		2019		2020		2021		2022		2023
Estimated amortization expense(2)	$	34.3	$	30.8	$	27.3	$	23.8	$	20.3	$	18.2

(2) Actual amounts of amortization expense may differ from estimated amounts due to changes in foreign currency exchange rates, additional intangible asset acquisitions, impairment of intangible assets, accelerated amortization of intangible assets and other events.

We test indefinite-lived intangibles for impairment at least annually and on an interim basis if an event or circumstance indicates that it is more likely than not that an impairment loss has been incurred. We performed this annual assessment, on a qualitative basis, as allowed by GAAP, for the majority of indefinite-lived trade names in the second quarter of 2017 and concluded that no impairment existed. For the Mead^® indefinite-lived trade name that is not substantially above its carrying values, we performed a quantitative test in the second quarter of 2017. A 1.5% long-term growth rate and a 10.5% discount rate were used. We concluded that the Mead^® trade name was not impaired. The fair value of the Mead^® trade name was less than 30% above its carrying value as of the second quarter of 2017 test. As of March 31, 2018, the carrying value of the Mead^® trade name was $113.3 million.

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Restructuring

3 Months Ended

Mar. 31, 2018

Restructuring and Related Activities [Abstract]

Restructuring

10. Restructuring

During the first quarter of 2018, the Company recorded restructuring expenses of $4.7 million, primarily related to additional changes to the operating structure of the ACCO Brands North America segment and the continued integration of Esselte within the ACCO Brands EMEA segment. Not included in these numbers are exit costs and liabilities associated with exiting a leased facility of $2.4 million and a contract related termination of $0.1 million that were not recorded yet, pursuant to GAAP rules.

During 2017, cost savings initiatives undertaken by the Company in 2016 to further enhance its operations in the ACCO Brands North America segment were expanded to include the realignment of the operating structure of our former Computer Products Group and other projects to enhance the future long-term performance of the North America business.

For the three months ended March 31,2018 and 2017, we recorded restructuring charges of $4.7 million and $1.5 million, respectively.

The summary of the activity in the restructuring account for the three months ended March 31, 2018 was as follows:

(in millions of dollars)	Balance at December 31, 2017		Provision		Cash Expenditures			Non-cash Items/ Currency Change			Balance at March 31, 2018
Employee termination costs(1)	$	12.0	$	3.8	$	(2.6	)	$	0.3		$	13.5
Termination of lease agreements(2)	0.8		0.9		(0.7		)	—			1.0
Other(3)	0.5		—		(0.1		)	(0.1		)	0.3
Total restructuring liability	$	13.3	$	4.7	$	(3.4	)	$	0.2		$	14.8

(1) We expect the remaining $13.5 million employee termination costs to be substantially paid in the next fifteen months.

(2) We expect the remaining $1.0 million termination of lease costs to be substantially paid in the next twelve months.

(3) We expect the remaining $0.3 million of other costs, principally contract exit costs, to be substantially paid in the next nine months.

The summary of the activity in the restructuring account for the three months ended March 31, 2017 was as follows:

(in millions of dollars)	Balance at December 31, 2016		Esselte Acquisition (4)		Provision		Cash Expenditures			Balance at March 31, 2017
Employee termination costs	$	1.4	$	1.4	$	1.3	$	(0.4	)	$	3.7
Termination of lease agreements	0.1		2.0		0.2		(0.1		)	2.2
Other	—		0.1		—		(0.1		)	—
Total restructuring liability	$	1.5	$	3.5	$	1.5	$	(0.6	)	$	5.9

(4) Restructuring liabilities assumed in the Esselte Acquisition.

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Income Taxes

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Income Taxes

11. Income Taxes

The reconciliation of income taxes for the three months ended March 31, 2018 and 2017, computed at the U.S. federal statutory income tax rate, compared to our effective income tax rate, was as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018			2017
Income tax expense computed at U.S. statutory income tax rate (21% and 35%, respectively)	$	1.3		$	—
Interest on Brazilian Tax Assessment	0.3			0.7
Partial release of reserve for the Brazilian Tax Assessment	(5.6		)	—
Excess tax benefit from stock-based compensation	(2.5		)	(5.3		)
Net operating losses not benefited	1.0			0.4
Miscellaneous	1.2			0.7
Income tax benefit as reported	$	(4.3	)	$	(3.5	)
Effective tax rate	NM			NM

For the three months ended March 31, 2018, we recorded an income tax benefit of $4.3 million on income before taxes of $6.1 million. The net tax benefit for the three months ended March 31, 2018 was primarily due to (1) the partial release of $5.6 million of the reserve for the Brazil Tax Assessment (see below) due to the expiration of the statute of limitations, and (2) excess tax benefit of $2.5 million from the realization of stock-based compensation related tax deductions. Additionally, the low effective tax rate for 2018 includes tax impacts attributable to the U.S. Tax Act, which was signed into law on December 22, 2017.

For the three months ended March 31, 2017, we recorded an income tax benefit of $3.5 million on income before taxes of $0.1 million. The low effective tax rate for the three months ended March 31, 2017 was primarily due to the excess tax benefit of $5.3 million from the realization of stock-based compensation related tax deductions.

The U.S. federal statute of limitations remains open for the year 2014 and forward. Foreign and U.S. state jurisdictions have statutes of limitations generally ranging from 2 to 5 years. Years still open to examination by foreign tax authorities in major jurisdictions include Australia (2013 forward), Brazil (2012 forward), Canada (2009 forward), Germany (2011 forward), Sweden (2011 forward) and the U.K. (2016 forward). We are currently under examination in certain foreign jurisdictions.

Tax Reform

On December 22, 2017, the U.S. Tax Act was signed into law. The U.S. Tax Act makes broad and complex changes to the U.S. tax code, including, but not limited to: (i) reducing the future U.S. federal corporate tax rate from 35 percent to 21 percent; (ii) requiring companies to pay a one-time transition tax on certain undistributed earnings of foreign subsidiaries (the "Transition Toll Tax"); and (iii) bonus depreciation that will allow for full expensing of qualified property.

The U.S. Tax Act also established new tax laws that will affect 2018, including, but not limited to: (i) the reduction of the U.S. federal corporate tax rate discussed above; (ii) a general elimination of U.S. federal income taxes on dividends from foreign subsidiaries; (iii) a new provision designed to tax global intangible low-taxed income ("GILTI"); (iv) the repeal of the domestic production activity deductions; (v) limitations on the deductibility of certain executive compensation; (vi) limitations on the use of foreign tax credits to reduce the U.S. income tax liability; and (vii) a new provision that allows a domestic corporation an immediate deduction for a portion of its foreign derived intangible income ("FDII").

The SEC staff issued Staff Accounting Bulletin ("SAB") 118, which provides guidance on accounting for the tax effects of the U.S. Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the enactment date for companies to complete the related accounting under ASC 740, Accounting for Income Taxes. In accordance with SAB 118, a company must reflect the income tax effects of those aspects of the U.S. Tax Act for which the accounting under ASC 740 is complete. To the extent that a company’s accounting for a certain income tax effect of the U.S. Tax Act is incomplete, but it is able to determine a reasonable estimate, it must record a provisional estimate in the financial statements. If a company cannot determine a provisional estimate to be included in the financial statements, it should continue to apply ASC 740 on the basis of the provisions of the tax laws that were in effect immediately before the enactment of the U.S. Tax Act.

The Company’s accounting for certain components of the U.S. Tax Act is not complete. However, the Company was able to make reasonable estimates of the effects and recorded provisional estimates for these items. Changes in tax rates and tax laws are accounted for in the period of enactment. Therefore, during the year ended December 31, 2017, we recorded a net tax benefit totaling $25.7 million related to our provisional estimate of the impact of the U.S. Tax Act. The benefit consists of an expense of $24.0 million, net of foreign tax credit carryforwards of $14.0 million, for the one-time Transition Toll Tax and a net benefit of $49.7 million in connection with the revaluation of the deferred tax assets and liabilities resulting from the decrease in the U.S. corporate tax rate.

During the three months ended March 31, 2018, we have made no adjustments to the provisional amounts recorded at December 31, 2017. However, the ultimate impact of the U.S. Tax Act may differ from the current estimates, possibly materially, due to changes in interpretations and assumptions the Company has made, future guidance that may be issued by the U.S. Treasury Department, the Internal Revenue Service, and other standard-setting bodies, or actions the Company may take. Adjustments to the provisional amounts may materially affect our provision for income taxes and effective tax rate in the period in which the adjustments are made. Accounting for the tax effects of the U.S. Tax Act will be completed prior to December 31, 2018.

Income Tax Assessment - Tilibra

In connection with our May 1, 2012 acquisition of the Mead Consumer and Office Products Business ("Mead C&OP"), we assumed all of the tax liabilities for the acquired foreign operations including Tilibra Produtos de Papelaria Ltda. ("Tilibra"). In December 2012, the Federal Revenue Department of the Ministry of Finance of Brazil ("FRD") issued a tax assessment (the "Brazilian Tax Assessment") against Tilibra, which challenged the tax deduction of goodwill from Tilibra's taxable income for the year 2007 (the "First Assessment"). A second assessment challenging the deduction of goodwill from Tilibra's taxable income for the years 2008, 2009 and 2010 was issued by FRD in October 2013 (the "Second Assessment"). Tilibra is disputing both of the tax assessments.

Recently, the final administrative appeal of the Second Assessment was decided against the Company. We intend to challenge this decision in court. In connection with the judicial challenge, we are required to post security to guarantee payment of the Second Assessment, which represents $24.6 million of the current reserve, should we not prevail. The First Assessment is still being challenged through established administrative procedures.

We believe we have meritorious defenses and intend to vigorously contest these matters; however, there can be no assurances that we will ultimately prevail. The ultimate outcome will not be determined until the Brazilian tax appeal process is complete, which is expected to take a number of years. In addition, Tilibra's 2012 tax year remains open and subject to audit, and there can be no assurances that we will not receive additional tax assessments regarding the goodwill for 2012. The time limit for issuing an assessment for 2012 will expire in January 2019. If the FRD's initial position is ultimately sustained, the amount assessed would materially and adversely affect our cash flow in the year of settlement.

Because there is no settled legal precedent on which to base a definitive opinion as to whether we will ultimately prevail, we consider the outcome of this dispute to be uncertain. Since it is not more likely than not that we will prevail, in 2012, we recorded a reserve in the amount of $44.5 million (at December 31, 2012 exchange rates) in consideration of this contingency, of which $43.3 million was recorded as an adjustment to the purchase price and which included the 2007-2012 tax years plus penalties and interest through December 2012. Included in this reserve is an assumption of penalties at 75%, which is the standard penalty. While there is a possibility that a penalty of 150% could be imposed in connection with the First Assessment, based on the facts in our case and existing precedent, we believe the likelihood of a 150% penalty is not more likely than not as of March 31, 2018. We will continue to actively monitor administrative and judicial court decisions and evaluate their impact, if any, on our legal assessment of the ultimate outcome of our case. In addition, we will continue to accrue interest related to this contingency until such time as the outcome is known or until evidence is presented that we are more likely than not to prevail. The time limit for issuing an assessment for 2011 expired in January 2018 and we did not receive an assessment; we have therefore reversed $5.6 million of reserves related to 2011. During the three months ended March 31,2018 and 2017, we accrued additional interest as a charge to current income tax expense of $0.3 million and $0.7 million, respectively. At current exchange rates, our accrual through March 31, 2018, including tax, penalties and interest is $33.4 million.

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Earnings Per Share

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Earnings Per Share

12. Earnings per Share

Total outstanding shares as of March 31, 2018 and 2017 were 107.8 million and 109.5 million, respectively. Under our stock repurchase program, for the three months ended March 31, 2018 we repurchased and retired 0.8 million shares. No shares were repurchased during the three months ended March 31, 2017. For each of the three months ended March 31, 2018 and 2017, we acquired 0.6 million and 0.7 million shares, respectively related to tax withholding for share-based compensation. The calculation of basic earnings per share of common stock is based on the weighted average number of shares of common stock outstanding in the year, or period, over which they were outstanding. Our calculation of diluted earnings per share of common stock assumes that any shares of common stock outstanding were increased by shares that would be issued upon exercise of those stock units for which the average market price for the period exceeds the exercise price less the shares that could have been purchased by the Company with the related proceeds, including compensation expense measured but not yet recognized.

	Three Months Ended March 31,
(in millions)	2018	2017
Weighted-average number of shares of common stock outstanding - basic	106.8	108.3
Stock options	1.2	1.5
Restricted stock units	2.0	2.6
Adjusted weighted-average shares and assumed conversions — diluted	110.0	112.4

Awards of potentially dilutive shares of common stock, which have exercise prices that were higher than the average market price during the period, are not included in the computation of dilutive earnings per share as their effect would have been anti-dilutive. For the three months ended March 31, 2018 and 2017, the number of anti-dilutive shares were approximately 2.8 million and 2.3 million, respectively.

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Derivative Financial Instruments

3 Months Ended

Mar. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

13. Derivative Financial Instruments

We are exposed to various market risks, including changes in foreign currency exchange rates and interest rate changes. We enter into financial instruments to manage and reduce the impact of these risks, not for trading or speculative purposes. The counterparties to these financial instruments are major financial institutions. We continually monitor our foreign currency exposures in order to maximize the overall effectiveness of our foreign currency hedge positions. Principal currencies hedged include the U.S. dollar, Euro, Australian dollar, Canadian dollar, Swedish krona, British pound and Japanese yen. We are subject to credit risk, which relates to the ability of counterparties to meet their contractual payment obligations or the potential non-performance by counterparties to financial instrument contracts. Management continues to monitor the status of our counterparties and will take action, as appropriate, to further manage our counterparty credit risk. There are no credit contingency features in our derivative financial instruments.

When hedge accounting is applicable, on the date we enter into a derivative, the derivative is designated as a hedge of the identified exposure. We measure the effectiveness of our hedging relationships both at hedge inception and on an ongoing basis.

Forward Currency Contracts

We enter into forward foreign currency contracts with third parties to reduce the effect of fluctuating foreign currencies, primarily on foreign denominated inventory purchases and intercompany loans. The majority of the Company’s exposure to local currency movements is in Europe (the Euro, the Swedish krona and the British pound), Australia, Canada, Brazil, and Mexico.

Forward currency contracts are used to hedge foreign denominated inventory purchases for Europe, Australia, Canada and Japan, and are designated as cash flow hedges. Unrealized gains and losses on these contracts are deferred in accumulated other comprehensive income (loss) ("AOCI") until the contracts are settled and the underlying hedged transactions relating to inventory purchases are recognized, at which time the deferred gains or losses will be reported in the "Cost of products sold" line in the "Consolidated Statements of Income." As of March 31, 2018 and December 31, 2017, we had cash-flow-designated foreign exchange contracts outstanding with a U.S. dollar equivalent notional value of $119.9 million and $93.5 million, respectively.

Forward currency contracts used to hedge foreign denominated intercompany loans are not designated as hedging instruments. Gains and losses on these derivative instruments are recognized within "Other (income) expense, net" in the "Consolidated Statements of Income" and are largely offset by the change in the current translated value of the hedged item. The periods of the forward foreign exchange contracts correspond to the periods of the hedged transactions, and do not extend beyond March2019, except for one relating to intercompany loans which extends to December 2020. As of March 31, 2018 and December 31, 2017, we had undesignated foreign exchange contracts outstanding with a U.S. dollar equivalent notional value of $96.1 million and $95.0 million, respectively.

The following table summarizes the fair value of our derivative financial instruments as of March 31, 2018 and December 31, 2017:

	Fair Value of Derivative Instruments
	Derivative Assets					Derivative Liabilities
(in millions of dollars)	Balance Sheet Location	March 31, 2018		December 31, 2017		Balance Sheet Location	March 31, 2018		December 31, 2017
Derivatives designated as hedging instruments:
Foreign exchange contracts	Other current assets	$	1.8	$	0.5	Other current liabilities	$	0.7	$	0.5
Derivatives not designated as hedging instruments:
Foreign exchange contracts	Other current assets	0.4		0.4		Other current liabilities	1.2		0.7
Foreign exchange contracts	Other non-current assets	32.2		24.2		Other non-current liabilities	32.2		24.2
Total derivatives		$	34.4	$	25.1		$	34.1	$	25.4

The following tables summarize the pre-tax effect of our derivative financial instruments on the condensed consolidated financial statements for the three months ended March 31, 2018 and 2017:

	The Effect of Derivative Instruments in Cash Flow Hedging Relationships on the Consolidated Financial Statements
	Amount of Gain (Loss) Recognized in AOCI (Effective Portion)						Location of (Gain) Loss Reclassified from AOCI to Income	Amount of (Gain) Loss Reclassified from AOCI to Income (Effective Portion)
	Three Months Ended March 31,							Three Months Ended March 31,
(in millions of dollars)	2018			2017				2018		2017
Cash flow hedges:
Foreign exchange contracts	$	(0.3	)	$	(1.5	)	Cost of products sold	$	1.2	$	(1.1	)

	The Effect of Derivatives Not Designated as Hedging Instruments on the Consolidated Statements of Operations
	Location of (Gain) Loss Recognized in Income on Derivatives	Amount of (Gain) Loss Recognized in Income
		Three Months Ended March 31,
(in millions of dollars)		2018		2017
Foreign exchange contracts	Other (income) expense, net	$	0.4	$	(0.8	)

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Fair Value Of Financial Instruments

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value Of Financial Instruments

14. Fair Value of Financial Instruments

In establishing a fair value, there is a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The basis of the fair value measurement is categorized in three levels, in order of priority, as described below:

Level 1	Unadjusted quoted prices in active markets for identical assets or liabilities
Level 2	Unadjusted quoted prices in active markets for similar assets or liabilities, or
	Unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active, or
	Inputs other than quoted prices that are observable for the asset or liability
Level 3	Unobservable inputs for the asset or liability

We utilize the best available information in measuring fair value. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

We have determined that our financial assets and liabilities described in "Note 13. Derivative Financial Instruments" are Level 2 in the fair value hierarchy. The following table sets forth our financial assets and liabilities that were accounted for at fair value on a recurring basis as of March 31, 2018 and December 31, 2017:

(in millions of dollars)	March 31, 2018		December 31, 2017
Assets:
Forward currency contracts	$	34.4	$	25.1
Liabilities:
Forward currency contracts	$	34.1	$	25.4

Our forward currency contracts are included in "Other current assets," "Other non-current assets," "Other current liabilities" or "Other non-current liabilities" and do not extend beyond March2019, except for one which extends to December 2020. The forward foreign currency exchange contracts are primarily valued based on the foreign currency spot and forward rates quoted by banks or foreign currency dealers. As such, these derivative instruments are classified within Level 2.

The fair values of cash and cash equivalents, notes payable to banks, accounts receivable and accounts payable approximate carrying amounts due principally to their short maturities. The carrying amount of total debt was $958.0 million and $939.5 million and the estimated fair value of total debt was $960.0 million and $951.5 million at March 31, 2018 and December 31, 2017, respectively. The fair values are determined from quoted market prices, where available, and from investment bankers using current interest rates considering credit ratings and the remaining time to maturity.

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Accumulated Other Comprehensive Income (Loss)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Accumulated Other Comprehensive Income (Loss)

15. Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss) is defined as net income (loss) and other changes in stockholders’ equity from transactions and other events from sources other than stockholders. The components of, and changes in, accumulated other comprehensive income (loss), net of tax were as follows:

(in millions of dollars)	Derivative Financial Instruments			Foreign Currency Adjustments			Unrecognized Pension and Other Post-retirement Benefit Costs			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2017	$	0.2		$	(305.4	)	$	(155.9	)	$	(461.1	)
Other comprehensive loss before reclassifications, net of tax	(0.3		)	(4.3		)	(3.8		)	(8.4		)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.9			—			1.2			2.1
Balance at March 31, 2018	$	0.8		$	(309.7	)	$	(158.5	)	$	(467.4	)

The reclassifications out of accumulated other comprehensive income (loss) for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018			2017
(in millions of dollars)	Amount Reclassified from Accumulated Other Comprehensive Income						Location on Income Statement
Details about Accumulated Other Comprehensive Income Components
(Loss) gain on cash flow hedges:
Foreign exchange contracts	$	(1.2	)	$	1.1		Cost of products sold
Tax benefit (expense)	0.3			(0.4		)	Income tax benefit
Net of tax	$	(0.9	)	$	0.7
Defined benefit plan items:
Amortization of actuarial loss	$	(1.4	)	$	(1.1	)	(1)
Amortization of prior service cost	(0.1		)	(0.1		)	(1)
Total before tax	(1.5		)	(1.2		)
Tax benefit	0.3			0.3			Income tax benefit
Net of tax	$	(1.2	)	$	(0.9	)
Total reclassifications for the period, net of tax	$	(2.1	)	$	(0.2	)

(1) These accumulated other comprehensive income components are included in the computation of net periodic benefit cost for pension and post-retirement plans (See "Note 6. Pension and Other Retiree Benefits" for additional details).

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Information On Business Segments

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Information on Business Segments

16. Information on Business Segments

The Company has three operating business segments each of which is comprised of different geographic regions. The Company's three segments are as follows:

Operating Segment	Geography
ACCO Brands North America	United States and Canada
ACCO Brands EMEA	Europe, Middle East and Africa
ACCO Brands International	Australia/N.Z., Latin America and Asia-Pacific

Each of the Company's three operating segments designs, markets, sources, manufactures and sells recognized consumer and end-user demanded brands used in businesses, schools and homes. Product designs are tailored based on end-user preferences in each geographic region.

Our product categories include storage and organization; stapling; punching; laminating, binding and shredding machines and related consumable supplies; whiteboards; notebooks; calendars; computer accessories; and do-it-yourself tools, among others. Our portfolio of consumer and end-user demanded brands includes both globally and regionally recognized brands.

ACCO Brands North America

The ACCO Brands North America segment is comprised of the United States and Canada where the Company is a leading branded supplier of consumer and business products under brands such as AT-A-GLANCE^®, Five Star^®, GBC^®, Hilroy^®, Kensington^®, Mead^®, Quartet^®, and Swingline^®.The ACCO Brands North America segment designs, sources or manufactures and distributes school notebooks, calendars, whiteboards, storage and organization products (such as three-ring binders, sheet protectors and indexes), stapling, punching, laminating, binding and shredding products, and computer accessories, among others, which are primarily used in schools, homes and businesses. The majority of revenue in this segment is related to consumer and home products and is associated with the "back-to-school" season and calendar year-end purchases; we expect sales of consumer products to become an increasingly greater percentage of our revenue as they are faster growing than most business-related products.

ACCO Brands EMEA

The ACCO Brands EMEA segment is comprised largely of Europe, but also includes export sales to the Middle East and Africa. The Company is a leading branded supplier of consumer and business products under brands such as Derwent^®, Esselte^®, GBC^®, Kensington^®, Leitz^®, NOBO^®, Rapid^®, and Rexel^®.The ACCO Brands EMEA segment designs, manufactures or sources and distributes storage and organization products (such as lever-arch binders, sheet protectors and indexes), stapling, punching, laminating, binding and shredding products, do-it-yourself tools, and computer accessories, among others, which are primarily used in businesses, homes and schools.

ACCO Brands International

The ACCO Brands International segment is comprised of Australia/N.Z., Latin America and Asia-Pacific where the Company is a leading branded supplier of consumer and business products under brands such as Artline^®, GBC^®, Kensington^®, Marbig^®, Quartet^®, Rexel^®, Tilibra^®, and Wilson Jones^®, among others. The ACCO Brands International segment designs, sources or manufactures and distributes school notebooks, calendars, whiteboards, storage and organization products (such as three-ring binders, sheet protectors and indexes), stapling, punching, laminating, binding and shredding products, writing instruments, and janitorial supplies, among others, which are primarily used in businesses, schools and homes. The majority of revenue in this segment is related to consumer products and is associated with the "back-to-school" season and calendar year-end purchases; we expect sales of consumer products to become an increasingly greater percentage of our revenue as they are faster growing than most business-related products.

Customers

We distribute our products through a wide variety of retail and commercial channels to ensure that our products are readily and conveniently available for purchase by consumers and other end-users, wherever they prefer to shop. These channels include mass retailers; e-tailers; discount, drug/grocery and variety chains; warehouse clubs; hardware and specialty stores; independent office product dealers; office superstores; and contract stationers. We also sell directly to commercial and consumer end-users through our e-commerce platform and our direct sales organization.

Net sales by business segment for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
ACCO Brands North America	$	165.6	$	174.9
ACCO Brands EMEA	154.5		96.5
ACCO Brands International	85.7		88.4
Net sales	$	405.8	$	359.8

Operating income by business segment for the three months ended March 31, 2018 and 2017 was as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018			2017
ACCO Brands North America	$	2.9		$	5.8
ACCO Brands EMEA	14.1			3.6
ACCO Brands International	5.8			10.1
Segment operating income	22.8			19.5
Corporate	(11.1		)	(12.3		)
Operating income(1)	11.7			7.2
Interest expense	9.4			9.8
Interest income	(1.0		)	(1.3		)
Non-operating pension income	(2.2		)	(2.1		)
Other (income) expense, net	(0.6		)	0.7
Income before income tax	$	6.1		$	0.1

(1) Operating income as presented in the segment table above is defined as i) net sales; ii) less cost of products sold; iii) less advertising, selling, general and administrative expenses; iv) less amortization of intangibles; and v) less restructuring charges.

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Commitments And Contingencies

3 Months Ended

Mar. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments And Contingencies

17. Commitments and Contingencies

Pending Litigation - Brazil Tax Assessment

In connection with our May 1, 2012 acquisition of the Mead C&OP business, we assumed all of the tax liabilities for the acquired foreign operations including Tilibra Produtos de Papelaria Ltda. ("Tilibra"). For further information see, "Note 11. Income Taxes - Income Tax Assessment - Tilibra" for details on tax assessments issued by the FRD against Tilibra, which challenged the tax deduction of goodwill from Tilibra's taxable income for the years 2007 through 2010.

Other Pending Litigation

We are party to various lawsuits and regulatory proceedings, primarily related to alleged patent infringement and employee terminations as well as other claims incidental to our business. In addition, we may be unaware of third party claims of intellectual property infringement relating to our technology, brands or products and we may face other claims related to business operations. Any litigation regarding patents or other intellectual property could be costly and time-consuming and might require us to pay monetary damages or enter into costly license agreements. We also may be subject to injunctions against development and sale of certain of our products.

It is the opinion of management that (other than the Brazilian Tax Assessment) the ultimate resolution of currently outstanding matters will not have a material adverse effect on our financial condition, results of operations or cash flow. However, there is no assurance that we will ultimately be successful in our defense of any of these matters or that an adverse outcome in any matter will not affect our results of operations, financial condition or cash flow. Further, future claims, lawsuits and legal proceedings could materially and adversely affect our business, reputation, results of operations and financial condition.

Environmental

We are subject to national, state, provincial and/or local environmental laws and regulations concerning the discharge of materials into the environment and the handling, disposal and clean-up of waste materials and otherwise relating to the protection of the environment. This includes environmental laws and regulations that affect the design and composition of certain of our products. It is not possible to quantify with certainty the potential impact of actions regarding environmental matters, particularly remediation and other compliance efforts that we may undertake in the future. In the opinion of our management, compliance with the present environmental protection laws, before taking into account estimated recoveries from third parties, will not have a material adverse effect upon our capital expenditures, financial condition and results of operations or competitive position.

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Subsequent Event

3 Months Ended

Mar. 31, 2018

Subsequent Events [Abstract]

Subsequent Event

18. Subsequent Events

On May 1, 2018, the Company's Board of Directors declared a cash dividend of $0.06 per share on its common stock. The dividend is payable on June 20, 2018 to stockholders of record as of the close of business on June 1, 2018. The declaration and payment of future dividends will be at the discretion of the Board of Directors and will be dependent upon, among other things, the Company's financial position, results of operations, cash flows, debt covenant compliance, anticipated liquidity needs, and other factors.

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Recent Accounting Pronouncements (Tables)

3 Months Ended

Mar. 31, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Schedule of New Accounting Pronouncements

The cumulative effect of the changes on our January 1, 2018 opening Condensed Consolidated Balance Sheet due to the adoption of ASU 2014-09 were as follows:

(in millions of dollars)	Balance at December 31, 2017			Adjustments due to ASU 2014-09			Balance at January 1, 2018
Assets:
Inventories	$	254.2		$	(3.5	)	$	250.7
Other current assets	29.2			6.9			36.1
Liabilities and stockholders' equity:
Accrued customer program liabilities	141.1			1.1			142.2
Other current liabilities	113.8			0.1			113.9
Deferred income taxes	177.1			0.6			177.7
Accumulated deficit	(739.2		)	1.6			(737.6		)

The impact of the adoption of ASU 2014-09 on our Consolidated Statements of Income and Condensed Consolidated Balance Sheet for the three-month period ended March 31, 2018 was as follows:

	Three Months Ended March 31, 2018
(in millions of dollars)	As Reported			Balances without adoption of ASU 2014-09			Effect of Change Higher/(Lower)
Consolidated Statements of Income:
Net sales	$	405.8		$	405.7		$	0.1
Cost of products sold	278.3			278.4			(0.1		)
Net income	10.4			10.2			0.2
Condensed Consolidated Balance Sheet:
Assets:
Accounts receivable, net	316.1			313.8			2.3
Inventories	294.5			297.3			(2.8		)
Other current assets	51.5			44.4			7.1
Liabilities and stockholders' equity:
Accrued customer program liabilities	98.5			97.9			0.6
Other current liabilities	112.1			108.5			3.6
Deferred income taxes	174.8			174.2			0.6
Accumulated deficit	(733.9		)	(735.7		)	1.8

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Acquisitions (Tables)

3 Months Ended

Mar. 31, 2018

Business Combinations [Abstract]

Purchase Price Allocation to the Fair Value of Assets Acquired and Liabilities Assumed

The following table presents the allocation of the consideration given to the fair values of the assets acquired and liabilities assumed at the date of acquisition.

(in millions of dollars)	At January 31, 2017
Calculation of Goodwill:
Purchase price, net of working capital adjustment	$	326.5
Plus fair value of liabilities assumed:
Accounts payable and accrued liabilities	121.9
Deferred tax liabilities	83.6
Pension obligations	174.1
Other non-current liabilities	5.8
Fair value of liabilities assumed	$	385.4
Less fair value of assets acquired:
Cash acquired	34.2
Accounts receivable	60.0
Inventory	41.9
Property, plant and equipment	75.6
Identifiable intangibles	277.0
Deferred tax assets	106.3
Other assets	10.4
Fair value of assets acquired	$	605.4
Goodwill	$	106.5

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Long-Term Debt And Short-Term Borrowings (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Notes Payable and Long-Term Debt

Notes payable and long-term debt, listed in order of the priority of security interests in assets of the Company, consisted of the following as of March 31, 2018 and December 31, 2017:

(in millions of dollars)	March 31, 2018		December 31, 2017
Euro Senior Secured Term Loan A, due January 2022 (floating interest rate of 1.50% at March 31, 2018 and 1.50% at December 31, 2017)	$	350.6	$	345.0
Australian Dollar Senior Secured Term Loan A, due January 2022 (floating interest rate of 3.44% at March 31, 2018 and 3.29% at December 31, 2017)	58.3		60.0
U.S. Dollar Senior Secured Revolving Credit Facility, due January 2022 (floating interest rate of 3.57% at March 31, 2018 and 3.53% at December 31, 2017)	56.5		48.9
Australian Dollar Senior Secured Revolving Credit Facility, due January 2022 (floating interest rate of 3.40% at March 31, 2018 and 3.28% at December 31, 2017)	91.4		85.0
Senior Unsecured Notes, due December 2024 (fixed interest rate of 5.25%)	400.0		400.0
Other borrowings	1.2		0.6
Total debt	958.0		939.5
Less:
Current portion	42.8		43.2
Debt issuance costs, unamortized	6.8		7.1
Long-term debt, net	$	908.4	$	889.2

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Revenue Reccognition (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents our revenue disaggregated by regional geography⁽¹⁾, based upon our reporting segments for the three months ended March 31, 2018 and 2017:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
United States	$	144.4	$	154.7
Canada	21.2		20.2
ACCO Brands North America	165.6		174.9
ACCO Brands EMEA(2)	154.5		96.5
Australia/N.Z.	39.8		43.2
Latin America	33.5		33.2
Asia-Pacific	12.4		12.0
ACCO Brands International	85.7		88.4
Net sales	$	405.8	$	359.8

(1) Net sales are attributed to geographic areas based on the location of the selling subsidiaries.

(2) ACCO Brands EMEA is comprised largely of Europe, but also includes export sales to the Middle East and Africa.

The following table presents our revenue disaggregated by the timing of revenue recognition for the three months ended March 31, 2018:

	Three Months Ended March 31,
(in millions of dollars)	2018
Product and Services transferred at a point in time	$	391.4
Product and Services transferred over time	14.4
Net sales	$	405.8

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Pension And Other Retiree Benefits (Tables)

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost for Pension and Post-Retirement Plans

The components of net periodic benefit (income) cost for pension and post-retirement plans for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	Pension												Post-retirement
	U.S.						International
(in millions of dollars)	2018			2017			2018			2017			2018			2017
Service cost	$	0.4		$	0.3		$	0.5		$	0.3		$	—		$	—
Interest cost	1.7			1.8			3.4			2.9			—			—
Expected return on plan assets	(2.9		)	(3.1		)	(5.9		)	(4.9		)	—			—
Amortization of net loss (gain)	0.6			0.5			0.9			0.7			(0.1		)	(0.1		)
Amortization of prior service cost (credit)	0.1			0.1			—			—			—			—
Net periodic benefit (income) expense(1)	$	(0.1	)	$	(0.4	)	$	(1.1	)	$	(1.0	)	$	(0.1	)	$	(0.1	)

(1) The components, other than service cost, are included in the line "Non-operating pension income" in the Consolidated Statements of Income.

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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

The following table summarizes our stock-based compensation expense (including stock options, restricted stock units ("RSUs") and performance stock units ("PSUs")) for the three months ended March 31, 2018 and 2017:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
Stock option compensation expense	$	0.5	$	0.6
RSU compensation expense	0.9		1.0
PSU compensation expense	1.8		0.8
Total stock-based compensation expense	$	3.2	$	2.4

Schedule of Unrecognized Compensation Cost, Nonvested Awards

The following table summarizes our unrecognized compensation expense and the weighted-average period over which the expense will be recognized as of March 31, 2018:

	March 31, 2018
	Unrecognized	Weighted Average
	Compensation	Years Expense To Be
(in millions of dollars, except weighted average years)	Expense	Recognized Over
Stock options	$5.0	2.6
RSUs	$8.6	2.4
PSUs	$17.8	2.1

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Inventories (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Components of Inventory

The components of inventories were as follows:

(in millions of dollars)	March 31, 2018		December 31, 2017
Raw materials	$	45.3	$	38.2
Work in process	4.5		4.1
Finished goods	244.7		211.9
Total inventories	$	294.5	$	254.2

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Goodwill And Identifiable Intangibles (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Net Carrying Amount of Goodwill by Segment

Changes in the net carrying amount of goodwill by segment were as follows:

(in millions of dollars)	ACCO Brands North America		ACCO Brands EMEA			ACCO Brands International		Total
Balance at December 31, 2017	$	375.6	$	129.4		$	165.3	$	670.3
Translation	—		(2.4		)	—		(2.4		)
Balance at March 31, 2018	$	375.6	$	127.0		$	165.3	$	667.9

Gross Carrying Value and Accumulated Amortization by Class of Identifiable Intangible Assets

The gross carrying value and accumulated amortization by class of identifiable intangible assets as of March 31, 2018 and December 31, 2017 were as follows:

	March 31, 2018								December 31, 2017
(in millions of dollars)	Gross Carrying Amounts		Accumulated Amortization				Net Book Value		Gross Carrying Amounts		Accumulated Amortization				Net Book Value
Indefinite-lived intangible assets:
Trade names	$	603.1	$	(44.5	)	(1)	$	558.6	$	599.5	$	(44.5	)	(1)	$	555.0
Amortizable intangible assets:
Trade names	196.6		(62.1		)		134.5		195.3		(59.4		)		135.9
Customer and contractual relationships	245.4		(105.7		)		139.7		243.0		(99.3		)		143.7
Patents	5.9		(0.6		)		5.3		5.8		(0.5		)		5.3
Subtotal	447.9		(168.4		)		279.5		444.1		(159.2		)		284.9
Total identifiable intangibles	$	1,051.0	$	(212.9	)		$	838.1	$	1,043.6	$	(203.7	)		$	839.9

(1) Accumulated amortization prior to the adoption of authoritative guidance on goodwill and indefinite-lived intangible assets, at which time further amortization ceased.

Estimated Amortization Expense for Future Periods

Estimated amortization expense for amortizable intangible assets as of March 31, 2018 for the current year and the next five years are as follows:

(in millions of dollars)	2018		2019		2020		2021		2022		2023
Estimated amortization expense(2)	$	34.3	$	30.8	$	27.3	$	23.8	$	20.3	$	18.2

(2) Actual amounts of amortization expense may differ from estimated amounts due to changes in foreign currency exchange rates, additional intangible asset acquisitions, impairment of intangible assets, accelerated amortization of intangible assets and other events.

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Restructuring (Tables)

3 Months Ended

Mar. 31, 2018

Restructuring and Related Activities [Abstract]

Summary of Activity in Restructuring Accounts

The summary of the activity in the restructuring account for the three months ended March 31, 2018 was as follows:

(in millions of dollars)	Balance at December 31, 2017		Provision		Cash Expenditures			Non-cash Items/ Currency Change			Balance at March 31, 2018
Employee termination costs(1)	$	12.0	$	3.8	$	(2.6	)	$	0.3		$	13.5
Termination of lease agreements(2)	0.8		0.9		(0.7		)	—			1.0
Other(3)	0.5		—		(0.1		)	(0.1		)	0.3
Total restructuring liability	$	13.3	$	4.7	$	(3.4	)	$	0.2		$	14.8

(1) We expect the remaining $13.5 million employee termination costs to be substantially paid in the next fifteen months.

(2) We expect the remaining $1.0 million termination of lease costs to be substantially paid in the next twelve months.

(3) We expect the remaining $0.3 million of other costs, principally contract exit costs, to be substantially paid in the next nine months.

The summary of the activity in the restructuring account for the three months ended March 31, 2017 was as follows:

(in millions of dollars)	Balance at December 31, 2016		Esselte Acquisition (4)		Provision		Cash Expenditures			Balance at March 31, 2017
Employee termination costs	$	1.4	$	1.4	$	1.3	$	(0.4	)	$	3.7
Termination of lease agreements	0.1		2.0		0.2		(0.1		)	2.2
Other	—		0.1		—		(0.1		)	—
Total restructuring liability	$	1.5	$	3.5	$	1.5	$	(0.6	)	$	5.9

(4) Restructuring liabilities assumed in the Esselte Acquisition.

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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation of income taxes for the three months ended March 31, 2018 and 2017, computed at the U.S. federal statutory income tax rate, compared to our effective income tax rate, was as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018			2017
Income tax expense computed at U.S. statutory income tax rate (21% and 35%, respectively)	$	1.3		$	—
Interest on Brazilian Tax Assessment	0.3			0.7
Partial release of reserve for the Brazilian Tax Assessment	(5.6		)	—
Excess tax benefit from stock-based compensation	(2.5		)	(5.3		)
Net operating losses not benefited	1.0			0.4
Miscellaneous	1.2			0.7
Income tax benefit as reported	$	(4.3	)	$	(3.5	)
Effective tax rate	NM			NM

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

Our calculation of diluted earnings per share of common stock assumes that any shares of common stock outstanding were increased by shares that would be issued upon exercise of those stock units for which the average market price for the period exceeds the exercise price less the shares that could have been purchased by the Company with the related proceeds, including compensation expense measured but not yet recognized.

	Three Months Ended March 31,
(in millions)	2018	2017
Weighted-average number of shares of common stock outstanding - basic	106.8	108.3
Stock options	1.2	1.5
Restricted stock units	2.0	2.6
Adjusted weighted-average shares and assumed conversions — diluted	110.0	112.4

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Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The following table summarizes the fair value of our derivative financial instruments as of March 31, 2018 and December 31, 2017:

	Fair Value of Derivative Instruments
	Derivative Assets					Derivative Liabilities
(in millions of dollars)	Balance Sheet Location	March 31, 2018		December 31, 2017		Balance Sheet Location	March 31, 2018		December 31, 2017
Derivatives designated as hedging instruments:
Foreign exchange contracts	Other current assets	$	1.8	$	0.5	Other current liabilities	$	0.7	$	0.5
Derivatives not designated as hedging instruments:
Foreign exchange contracts	Other current assets	0.4		0.4		Other current liabilities	1.2		0.7
Foreign exchange contracts	Other non-current assets	32.2		24.2		Other non-current liabilities	32.2		24.2
Total derivatives		$	34.4	$	25.1		$	34.1	$	25.4

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The following tables summarize the pre-tax effect of our derivative financial instruments on the condensed consolidated financial statements for the three months ended March 31, 2018 and 2017:

	The Effect of Derivative Instruments in Cash Flow Hedging Relationships on the Consolidated Financial Statements
	Amount of Gain (Loss) Recognized in AOCI (Effective Portion)						Location of (Gain) Loss Reclassified from AOCI to Income	Amount of (Gain) Loss Reclassified from AOCI to Income (Effective Portion)
	Three Months Ended March 31,							Three Months Ended March 31,
(in millions of dollars)	2018			2017				2018		2017
Cash flow hedges:
Foreign exchange contracts	$	(0.3	)	$	(1.5	)	Cost of products sold	$	1.2	$	(1.1	)

	The Effect of Derivatives Not Designated as Hedging Instruments on the Consolidated Statements of Operations
	Location of (Gain) Loss Recognized in Income on Derivatives	Amount of (Gain) Loss Recognized in Income
		Three Months Ended March 31,
(in millions of dollars)		2018		2017
Foreign exchange contracts	Other (income) expense, net	$	0.4	$	(0.8	)

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Fair Value Of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table sets forth our financial assets and liabilities that were accounted for at fair value on a recurring basis as of March 31, 2018 and December 31, 2017:

(in millions of dollars)	March 31, 2018		December 31, 2017
Assets:
Forward currency contracts	$	34.4	$	25.1
Liabilities:
Forward currency contracts	$	34.1	$	25.4

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Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The components of, and changes in, accumulated other comprehensive income (loss), net of tax were as follows:

(in millions of dollars)	Derivative Financial Instruments			Foreign Currency Adjustments			Unrecognized Pension and Other Post-retirement Benefit Costs			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2017	$	0.2		$	(305.4	)	$	(155.9	)	$	(461.1	)
Other comprehensive loss before reclassifications, net of tax	(0.3		)	(4.3		)	(3.8		)	(8.4		)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.9			—			1.2			2.1
Balance at March 31, 2018	$	0.8		$	(309.7	)	$	(158.5	)	$	(467.4	)

Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss)

The reclassifications out of accumulated other comprehensive income (loss) for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018			2017
(in millions of dollars)	Amount Reclassified from Accumulated Other Comprehensive Income						Location on Income Statement
Details about Accumulated Other Comprehensive Income Components
(Loss) gain on cash flow hedges:
Foreign exchange contracts	$	(1.2	)	$	1.1		Cost of products sold
Tax benefit (expense)	0.3			(0.4		)	Income tax benefit
Net of tax	$	(0.9	)	$	0.7
Defined benefit plan items:
Amortization of actuarial loss	$	(1.4	)	$	(1.1	)	(1)
Amortization of prior service cost	(0.1		)	(0.1		)	(1)
Total before tax	(1.5		)	(1.2		)
Tax benefit	0.3			0.3			Income tax benefit
Net of tax	$	(1.2	)	$	(0.9	)
Total reclassifications for the period, net of tax	$	(2.1	)	$	(0.2	)

(1) These accumulated other comprehensive income components are included in the computation of net periodic benefit cost for pension and post-retirement plans (See "Note 6. Pension and Other Retiree Benefits" for additional details).

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Information On Business Segments (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Net Sales by Reporting Segments

Net sales by business segment for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018		2017
ACCO Brands North America	$	165.6	$	174.9
ACCO Brands EMEA	154.5		96.5
ACCO Brands International	85.7		88.4
Net sales	$	405.8	$	359.8

Schedule of Operating Income by Reporting Segment

Operating income by business segment for the three months ended March 31, 2018 and 2017 was as follows:

	Three Months Ended March 31,
(in millions of dollars)	2018			2017
ACCO Brands North America	$	2.9		$	5.8
ACCO Brands EMEA	14.1			3.6
ACCO Brands International	5.8			10.1
Segment operating income	22.8			19.5
Corporate	(11.1		)	(12.3		)
Operating income(1)	11.7			7.2
Interest expense	9.4			9.8
Interest income	(1.0		)	(1.3		)
Non-operating pension income	(2.2		)	(2.1		)
Other (income) expense, net	(0.6		)	0.7
Income before income tax	$	6.1		$	0.1

(1) Operating income as presented in the segment table above is defined as i) net sales; ii) less cost of products sold; iii) less advertising, selling, general and administrative expenses; iv) less amortization of intangibles; and v) less restructuring charges.

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Basis Of Presentation Narrative (Details)	3 Months Ended
	Mar. 31, 2018 segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of segments	3

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Recent Accounting Pronouncements (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
		Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income	[1]	$ (11.7)	$ (7.2)
Net sales		405.8	359.8
Cost of products sold		278.3	248.9
Net income		10.4	3.6
Accounts receivable, net		316.1		$ 469.3
Inventories		294.5		254.2
Other current assets		51.5		29.2
Accrued customer program liabilities		98.5		141.1
Other current liabilities		112.1		113.8
Deferred income taxes		174.8		177.1
Accumulated deficit		(733.9)		(739.2)
Accounting Standards Update 2017-07 | Adjustments due to ASU 2014-09 & 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income			$ 2.1	8.5
Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Inventories					$ 250.7
Other current assets					36.1
Accrued customer program liabilities					142.2
Other current liabilities					113.9
Deferred income taxes					177.7
Accumulated deficit					$ (737.6)
Accounting Standards Update 2014-09 | Adjustments due to ASU 2014-09 & 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect on Retained Earnings, Net of Tax				1.6
Inventories				(3.5)
Other current assets				6.9
Accrued customer program liabilities				1.1
Other current liabilities				0.1
Deferred income taxes				0.6
Accumulated deficit				$ 1.6
Accounting Standards Update 2014-09 | Balances without adoption of ASU 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		405.7
Cost of products sold		278.4
Net income		10.2
Accounts receivable, net		313.8
Inventories		297.3
Other current assets		44.4
Accrued customer program liabilities		97.9
Other current liabilities		108.5
Deferred income taxes		174.2
Accumulated deficit		(735.7)
Accounting Standards Update 2014-09 | Effect of Change Higher/(Lower)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		0.1
Cost of products sold		(0.1)
Net income		0.2
Accounts receivable, net		(2.3)
Inventories		(2.8)
Other current assets		7.1
Accrued customer program liabilities		0.6
Other current liabilities		3.6
Deferred income taxes		0.6
Accumulated deficit		$ 1.8
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
General payment terms		30 days
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
General payment terms		90 days

[1] Operating income as presented in the segment table above is defined as i) net sales; ii) less cost of products sold; iii) less advertising, selling, general and administrative expenses; iv) less amortization of intangibles; and v) less restructuring charges.

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Acquisitions (Narrative) (Details) € in Millions, $ in Millions			1 Months Ended	3 Months Ended		12 Months Ended
	Jan. 31, 2017 USD ($)	Jan. 31, 2017 EUR (€)	Jan. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Jan. 31, 2017 EUR (€)	Jan. 27, 2017 USD ($)	Jan. 27, 2017 EUR (€)
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired				$ 0.0	$ 292.6
Net sales				$ 405.8	359.8
Esselte Group Holdings AB
Business Acquisition [Line Items]
Goodwill	$ 106.5
Payments to Acquire Businesses, Gross	326.8	€ 302.9
Working Capital Adjustments to Purchase Price	0.3
Cash acquired	34.2
Payments to Acquire Businesses, Net of Cash Acquired	292.3
Business Acquisition, Consideration Held in Escrow	8.7	€ 8.1
Net sales			$ 44.2
Warranty and indemnity insurance policy	$ 43.2						€ 40.0
Selling, General and Administrative Expenses [Member] | Esselte Group Holdings AB
Business Acquisition [Line Items]
Transaction Related Costs					$ 2.1	$ 5.0
Senior Secured Notes | Euro Term Loan A
Business Acquisition [Line Items]
Debt Instrument, Face Amount								$ 320.8	€ 300.0
Maximum | Esselte Group Holdings AB
Business Acquisition [Line Items]
Escrow period	2 years	2 years
Period of Warranty and Indemnity Policy	7 years	7 years

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Long-Term Debt And Short-Term Borrowings (Notes Payable and Long-term Debt) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total debt	$ 958,000,000	$ 939,500,000
Current portion	42,800,000	43,200,000
Debt issuance costs, unamortized	6,800,000	7,100,000
Long-term debt, net	908,400,000	889,200,000
Other borrowings
Debt Instrument [Line Items]
Total debt	1,200,000	600,000
Senior Secured Notes | Euro Senior Secured Term Loan A, due January 2022 (floating interest rate of 1.50% at March 31, 2018 and 1.50% at December 31, 2017)
Debt Instrument [Line Items]
Total debt	$ 350,600,000	$ 345,000,000
Line of Credit Facility, Interest Rate at Period End	1.50%	1.50%
Senior Secured Notes | Australian Dollar Senior Secured Term Loan A, due January 2022 (floating interest rate of 3.44% at March 31, 2018 and 3.29% at December 31, 2017)
Debt Instrument [Line Items]
Total debt	$ 58,300,000	$ 60,000,000
Line of Credit Facility, Interest Rate at Period End	3.44%	3.29%
Senior Secured Notes | U.S. Dollar Senior Secured Revolving Credit Facility, due January 2022 (floating interest rate of 3.57% at March 31, 2018 and 3.53% at December 31, 2017)
Debt Instrument [Line Items]
Total debt	$ 56,500,000	$ 48,900,000
Line of Credit Facility, Interest Rate at Period End	3.57%	3.53%
Senior Secured Notes | Australian Dollar Senior Secured Revolving Credit Facility, due January 2022 (floating interest rate of 3.40% at March 31, 2018 and 3.28% at December 31, 2017)
Debt Instrument [Line Items]
Total debt	$ 91,400,000	$ 85,000,000
Line of Credit Facility, Interest Rate at Period End	3.40%	3.28%
Senior Notes | Senior Unsecured Notes, due December 2024 (fixed interest rate of 5.25%)
Debt Instrument [Line Items]
Total debt	$ 400,000,000	$ 400,000,000
Stated Percentage	5.25%	5.25%
Senior Secured Credit Facility Due January 2022
Debt Instrument [Line Items]
Debt Instrument, Term	5 years
2017 Revolving Facility | Senior Secured Notes
Debt Instrument [Line Items]
Total debt	$ 147,900,000

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Acquisitions (Purchase Price Allocation to the Fair Value of Assets Acquired and Liabilities Assumed) (Details) - Esselte Group Holdings AB $ in Millions	Jan. 31, 2017 USD ($)
Business Acquisition [Line Items]
Purchase price, net of working capital adjustment	$ 326.5
Accounts payable and accrued liabilities	121.9
Deferred tax liabilities	83.6
Pension obligations	174.1
Other non-current liabilities	5.8
Fair value of liabilities assumed	385.4
Cash acquired	34.2
Accounts receivable	60.0
Inventory	41.9
Property, plant and equipment	75.6
Identifiable intangibles	277.0
Deferred tax assets	106.3
Other assets	10.4
Fair value of assets acquired	605.4
Goodwill	$ 106.5

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Long-Term Debt And Short-Term Borrowings (Narrative) (Details) € in Millions, $ in Millions, $ in Millions	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 27, 2017 USD ($)	Jan. 27, 2017 EUR (€)	Jan. 27, 2017 AUD ($)
Debt Instrument [Line Items]
Total debt	$ 958.0	$ 939.5
Secured Debt | Euro Term Loan A
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 320.8	€ 300.0
Secured Debt | AUD Term Loan A
Debt Instrument [Line Items]
Maximum borrowing capacity			60.4		$ 80.0
2017 Revolving Facility | Secured Debt
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 400.0
Total debt	147.9
Amount available for borrowings under Senior Secured Revolving Credit Facilities	239.5
Letters of credit outstanding	$ 12.6

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Revenue Reccognition (Service or Extended Maintenance Agreements) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Accumulated deficit	$ (733.9)		$ (739.2)
Unearned revenue associated with outstanding contracts	5.0	$ 5.2
Revenue recognized	$ 3.9
Minimum
Disaggregation of Revenue [Line Items]
Service and maintenance agreement term	3 months
Maximum
Disaggregation of Revenue [Line Items]
Service and maintenance agreement term	60 months
Accounting Standards Update 2014-09
Disaggregation of Revenue [Line Items]
Accumulated deficit		$ (737.6)
Adjustments due to ASU 2014-09 | Accounting Standards Update 2014-09
Disaggregation of Revenue [Line Items]
Accumulated deficit			$ 1.6

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Revenue Reccognition (Unearned Revenue) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Unearned revenue	$ 4.3
Expected timing of satisfaction	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Unearned revenue	$ 0.7
Expected timing of satisfaction	12 months

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Revenue Reccognition (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Net sales	$ 405.8	$ 359.8
Product and Services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales	391.4
Product and Services transferred over time
Disaggregation of Revenue [Line Items]
Net sales	14.4
ACCO Brands North America
Disaggregation of Revenue [Line Items]
Net sales	165.6	174.9
ACCO Brands North America | United States
Disaggregation of Revenue [Line Items]
Net sales	144.4	154.7
ACCO Brands North America | Canada
Disaggregation of Revenue [Line Items]
Net sales	21.2	20.2
ACCO Brands EMEA
Disaggregation of Revenue [Line Items]
Net sales	154.5	96.5
ACCO Brands International
Disaggregation of Revenue [Line Items]
Net sales	85.7	88.4
ACCO Brands International | Australia/N.Z.
Disaggregation of Revenue [Line Items]
Net sales	39.8	43.2
ACCO Brands International | Latin America
Disaggregation of Revenue [Line Items]
Net sales	33.5	33.2
ACCO Brands International | Asia-Pacific
Disaggregation of Revenue [Line Items]
Net sales	$ 12.4	$ 12.0

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Pension And Other Retiree Benefits (Net Periodic Benefit Expense) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Expected contributions to defined benefit plans for 2018		$ 20.3
Contributions by company to date		11.3
Pension | U.S.
Defined Benefit Plan Disclosure [Line Items]
Service cost		0.4	$ 0.3
Interest cost		1.7	1.8
Expected return on plan assets		(2.9)	(3.1)
Amortization of net loss (gain)		0.6	0.5
Amortization of prior service cost		0.1	0.1
Net periodic benefit (income) expense(1)	[1]	(0.1)	(0.4)
Pension | International
Defined Benefit Plan Disclosure [Line Items]
Service cost		0.5	0.3
Interest cost		3.4	2.9
Expected return on plan assets		(5.9)	(4.9)
Amortization of net loss (gain)		0.9	0.7
Amortization of prior service cost		0.0	0.0
Net periodic benefit (income) expense(1)	[1]	(1.1)	(1.0)
Post-retirement
Defined Benefit Plan Disclosure [Line Items]
Service cost		0.0	0.0
Interest cost		0.0	0.0
Expected return on plan assets		0.0	0.0
Amortization of net loss (gain)		(0.1)	(0.1)
Amortization of prior service cost		0.0	0.0
Net periodic benefit (income) expense(1)	[1]	$ (0.1)	$ (0.1)

[1] The components, other than service cost, are included in the line "Non-operating pension income" in the Consolidated Statements of Income.

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Stock-Based Compensation (Share-based Compensation Expense) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 3.2	$ 2.4
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	0.5	0.6
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	0.9	1.0
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 1.8	$ 0.8

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Stock-Based Compensation (Unrecognized Compensation Expense) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 5.0
Weighted Average Years Expense To Be Recognized Over	2 years 6 months 19 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 8.6
Weighted Average Years Expense To Be Recognized Over	2 years 4 months 23 days
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 17.8
Weighted Average Years Expense To Be Recognized Over	2 years 1 month 3 days

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Stock-Based Compensation (Narrative) (Details)	3 Months Ended
	Mar. 31, 2018 shares
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	769,477
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	387,789
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	747,996

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Inventories (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Raw materials	$ 45.3	$ 38.2
Work in process	4.5	4.1
Finished goods	244.7	211.9
Total inventories	$ 294.5	$ 254.2

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Goodwill And Identifiable Intangibles (Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2016
Goodwill [Roll Forward]
Balance at December 31, 2017	$ 670.3
Translation	(2.4)
Balance at March 31, 2018	667.9
Goodwill, accumulated impairment losses		$ 215.1
ACCO Brands North America
Goodwill [Roll Forward]
Balance at December 31, 2017	375.6
Translation	0.0
Balance at March 31, 2018	375.6
ACCO Brands EMEA
Goodwill [Roll Forward]
Balance at December 31, 2017	129.4
Translation	(2.4)
Balance at March 31, 2018	127.0
ACCO Brands International
Goodwill [Roll Forward]
Balance at December 31, 2017	165.3
Translation	0.0
Balance at March 31, 2018	$ 165.3

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Goodwill And Identifiable Intangibles (Intangible Assets) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Intangible Assets [Line Items]
Amortization of intangibles		$ 9.3	$ 8.0
Amortizable intangible assets, Gross Carrying Amounts		447.9		$ 444.1
Amortizable intangible assets, Accumulated Amortization		(168.4)		(159.2)
Amortizable intangible assets, Net Book Value		279.5		284.9
Total identifiable intangibles, Gross Carrying Amounts		1,051.0		1,043.6
Total identifiable intangibles, Accumulated Amortization		(212.9)		(203.7)
Total identifiable intangibles, Net Book Value		838.1		839.9
Trade Names
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		196.6		195.3
Amortizable intangible assets, Accumulated Amortization		(62.1)		(59.4)
Amortizable intangible assets, Net Book Value		134.5		135.9
Customer and contractual relationships
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		245.4		243.0
Amortizable intangible assets, Accumulated Amortization		(105.7)		(99.3)
Amortizable intangible assets, Net Book Value		139.7		143.7
Patents
Intangible Assets [Line Items]
Amortizable intangible assets, Gross Carrying Amounts		5.9		5.8
Amortizable intangible assets, Accumulated Amortization		(0.6)		(0.5)
Amortizable intangible assets, Net Book Value		5.3		5.3
Trade Names
Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross carrying amount		603.1		599.5
Indefinite lived intangible asset accumulated amortization prior to the adoption of authoritative guidance	[1]	(44.5)		(44.5)
Indefinite-lived intangible assets, Net Book Value		$ 558.6		$ 555.0

[1] Accumulated amortization prior to the adoption of authoritative guidance on goodwill and indefinite-lived intangible assets, at which time further amortization ceased.

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Goodwill And Identifiable Intangibles (Estimated Amortization Expense) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangibles		$ 9.3	$ 8.0
Estimated amortization expense, 2018	[1]	34.3
Estimated amortization expense, 2019	[1]	30.8
Estimated amortization expense, 2020	[1]	27.3
Estimated amortization expense, 2021	[1]	23.8
Estimated amortization expense, 2022	[1]	20.3
Estimated amortization expense, 2023	[1]	$ 18.2

[1] Actual amounts of amortization expense may differ from estimated amounts due to changes in foreign currency exchange rates, additional intangible asset acquisitions, impairment of intangible assets, accelerated amortization of intangible assets and other events.

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Goodwill And Identifiable Intangibles (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2017	Mar. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	$ 0.0
Impairment of intangible assets	0.0
Mead Trade Name
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 0.0
Long-term growth rate	1.50%
Discount rate	10.50%
Maximum percent above carrying value	30.00%
Carrying values of intangible assets		$ 113.3

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Restructuring (Restructuring Charges and Reconciliation) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018		Mar. 31, 2017
Restructuring Reserve [Roll Forward]
Balance at Beginning of Period		$ 13.3		$ 1.5
Provision		4.7		1.5
Cash Expenditures		(3.4)		(0.6)
Non-cash Items/ Currency Change		0.2
Balance at End of Period		14.8		5.9
Employee termination costs(1)
Restructuring Reserve [Roll Forward]
Balance at Beginning of Period		12.0		1.4
Provision		3.8		1.3
Cash Expenditures		(2.6)		(0.4)
Non-cash Items/ Currency Change		0.3
Balance at End of Period		$ 13.5	[1]	3.7
Restructuring and Related Costs, Payment Period		15 months
Termination of lease agreements(2)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining		$ 2.4
Restructuring Reserve [Roll Forward]
Balance at Beginning of Period		0.8		0.1
Provision		0.9		0.2
Cash Expenditures		(0.7)		(0.1)
Non-cash Items/ Currency Change		0.0
Balance at End of Period		$ 1.0	[2]	2.2
Restructuring and Related Costs, Payment Period		12 months
Other(3)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining		$ 0.1
Restructuring Reserve [Roll Forward]
Balance at Beginning of Period		0.5		0.0
Provision		0.0		0.0
Cash Expenditures		(0.1)		(0.1)
Non-cash Items/ Currency Change		(0.1)
Balance at End of Period		$ 0.3	[3]	0.0
Restructuring and Related Costs, Payment Period		9 months
Esselte Group Holdings AB
Restructuring Reserve [Roll Forward]
Acquisitions	[4]			3.5
Esselte Group Holdings AB | Employee termination costs(1)
Restructuring Reserve [Roll Forward]
Acquisitions				1.4
Esselte Group Holdings AB | Termination of lease agreements(2)
Restructuring Reserve [Roll Forward]
Acquisitions				2.0
Esselte Group Holdings AB | Other(3)
Restructuring Reserve [Roll Forward]
Acquisitions				$ 0.1

[1] We expect the remaining $13.5 million employee termination costs to be substantially paid in the next fifteen months.

[2] We expect the remaining $1.0 million termination of lease costs to be substantially paid in the next twelve months.

[3] We expect the remaining $0.3 million of other costs, principally contract exit costs, to be substantially paid in the next nine months.

[4] Restructuring liabilities assumed in the Esselte Acquisition.

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Income Taxes (Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Income tax expense computed at U.S. statutory income tax rate (21% and 35%, respectively)	$ 1.3	$ 0.0
Interest on Brazilian Tax Assessment	0.3	0.7
Partial release of reserve for the Brazilian Tax Assessment	(5.6)	0.0
Excess tax benefit from stock-based compensation	(2.5)	(5.3)
Net operating losses not benefited	1.0	0.4
Miscellaneous	1.2	0.7
Income tax benefit as reported	$ (4.3)	$ (3.5)

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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2012
Income Tax Examination [Line Items]
U.S. statutory income tax rate	21.00%	35.00%
Income tax benefit	$ (4.3)	$ (3.5)
Income before income tax	6.1	0.1
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	(5.6)	0.0
Income Tax Reconciliation Deductions Excess Tax Benefits	$ 2.5	5.3
State and Local Jurisdiction | Minimum
Income Tax Examination [Line Items]
Statutes of limitation, period	2 years
State and Local Jurisdiction | Maximum
Income Tax Examination [Line Items]
Statutes of limitation, period	5 years
Domestic Tax Authority | Internal Revenue Service (IRS)
Income Tax Examination [Line Items]
Tax Cuts and Jobs Act, Incomplete Accounting, Provisional Income Tax Expense (Benefit)			$ (25.7)
Tax Cuts and Jobs Act, Incomplete Accounting, Transition Toll Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense, net of foreign tax credits			24.0
Deferred Tax Assets, Tax Credit Carryforwards, Foreign			14.0
Tax Cuts and Jobs Act, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Provisional Income Tax Benefit			$ 49.7
Domestic Tax Authority | Internal Revenue Service (IRS) | Earliest Tax Year
Income Tax Examination [Line Items]
Open tax year	2014
Foreign Tax Authority | Minimum
Income Tax Examination [Line Items]
Statutes of limitation, period	2 years
Foreign Tax Authority | Maximum
Income Tax Examination [Line Items]
Statutes of limitation, period	5 years
Foreign Tax Authority | Australian Taxation Office | Earliest Tax Year
Income Tax Examination [Line Items]
Open tax year	2013
Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil
Income Tax Examination [Line Items]
Income Tax Examination, Interest Expense	$ 0.3	$ 0.7
Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil | Earliest Tax Year
Income Tax Examination [Line Items]
Open tax year	2012
Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil | Tax Year 2008 to 2010
Income Tax Examination [Line Items]
Unrecognized Tax Benefits	$ 24.6
Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil | Tax Year 2007 to 2012
Income Tax Examination [Line Items]
Unrecognized Tax Benefits	$ 33.4			$ 44.5
Income Tax Contingency, Potential Assessment, Acquisition, Fair Value of Liabilities Accrued				$ 43.3
Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil | Minimum
Income Tax Examination [Line Items]
Penalty rate	75.00%
Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil | Maximum
Income Tax Examination [Line Items]
Penalty rate	150.00%
Foreign Tax Authority | Canada Revenue Agency | Earliest Tax Year
Income Tax Examination [Line Items]
Open tax year	2009
Foreign Tax Authority | Federal Ministry of Finance, Germany | Earliest Tax Year
Income Tax Examination [Line Items]
Open tax year	2011
Foreign Tax Authority | Swedish Tax Agency (Skatteverket) | Earliest Tax Year
Income Tax Examination [Line Items]
Open tax year	2011
Foreign Tax Authority | Her Majesty's Revenue and Customs (HMRC) | Earliest Tax Year
Income Tax Examination [Line Items]
Open tax year	2016

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Earnings Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Weighted Average Number of Shares Outstanding Basic and Diluted [Line Items]
Common Stock, Shares, Outstanding	107,785,559	109,511,073
Stock Repurchased and Retired During Period, Shares	800,000	0
Treasury Stock, Shares, Acquired	600,000	700,000
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average number of common shares outstanding - basic	106,800,000	108,300,000
Weighted-average number of common shares outstanding - diluted	110,000,000	112,400,000
Potentially dilutive shares excluded from computation of dilutive earnings per share	2,800,000	2,300,000
Stock options
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Incremental Common Shares Attributable to Share-based Payment Arrangements	1,200,000	1,500,000
Restricted stock units
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Incremental Common Shares Attributable to Share-based Payment Arrangements	2,000,000	2,600,000

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Derivative Financial Instruments (Narrative) (Details) - Foreign exchange contracts - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount of Foreign Currency Cash Flow Hedge	$ 96.1	$ 95.0
Cash Flow Hedging | Derivatives designated as hedging instruments
Derivative [Line Items]
Notional Amount of Foreign Currency Cash Flow Hedge	$ 119.9	$ 93.5

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Derivative Financial Instruments (Fair Value of Derivative Instruments) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 34.4	$ 25.1
Derivative Liabilities	34.1	25.4
Foreign exchange contracts | Derivatives designated as hedging instruments | Other current assets
Derivatives, Fair Value [Line Items]
Derivative Assets	1.8	0.5
Foreign exchange contracts | Derivatives designated as hedging instruments | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0.7	0.5
Foreign exchange contracts | Derivatives not designated as hedging instruments | Other current assets
Derivatives, Fair Value [Line Items]
Derivative Assets	0.4	0.4
Foreign exchange contracts | Derivatives not designated as hedging instruments | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	1.2	0.7
Foreign exchange contracts | Derivatives not designated as hedging instruments | Other Noncurrent Assets
Derivatives, Fair Value [Line Items]
Derivative Assets	32.2	24.2
Foreign exchange contracts | Derivatives not designated as hedging instruments | Other Noncurrent Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 32.2	$ 24.2

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Derivative Financial Instruments (Effect of Derivative Instruments) (Details) - Foreign exchange contracts - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Derivatives not designated as hedging instruments | Other (income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Recognized in Income	$ 0.4	$ (0.8)
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI (Effective Portion)	(0.3)	(1.5)
Cash Flow Hedging | Cost of products sold
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Reclassified from AOCI to Income (Effective Portion)	$ 1.2	$ (1.1)

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Fair Value Of Financial Instruments Schedule of Fair Value Assets and Liabilities measured on a Recurring Basis (Details) - Fair Value, Inputs, Level 2 - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt Instrument, Fair Value Disclosure	$ 960.0	$ 951.5
Foreign currency contracts, assets	34.4	25.1
Foreign currency contracts, liabilities	$ 34.1	$ 25.4

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Fair Value Of Financial Instruments Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Total debt	$ 958.0	$ 939.5

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Accumulated Other Comprehensive Income (Rollforward) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2017	$ (461.1)
Other comprehensive loss before reclassifications, net of tax	(8.4)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	2.1
Balance at March 31, 2018	(467.4)
Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2017	0.2
Other comprehensive loss before reclassifications, net of tax	(0.3)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.9
Balance at March 31, 2018	0.8
Foreign Currency Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2017	(305.4)
Other comprehensive loss before reclassifications, net of tax	(4.3)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.0
Balance at March 31, 2018	(309.7)
Unrecognized Pension and Other Post-retirement Benefit Costs
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2017	(155.9)
Other comprehensive loss before reclassifications, net of tax	(3.8)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	1.2
Balance at March 31, 2018	$ (158.5)

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Accumulated Other Comprehensive Income (Reclassifications Out of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold		$ (278.3)	$ (248.9)
Income tax (expense) benefit		4.3	3.5
Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Net of tax		(2.1)	(0.2)
Unrecognized Pension and Other Post-retirement Benefit Costs | Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Amortization of actuarial loss included in net income	[1]	(1.4)	(1.1)
Amortization of prior service cost	[1]	(0.1)	(0.1)
Total before tax		(1.5)	(1.2)
Income tax (expense) benefit		0.3	0.3
Net of tax		(1.2)	(0.9)
Foreign exchange contracts | Derivative Financial Instruments | Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold		(1.2)	1.1
Income tax (expense) benefit		0.3	(0.4)
Net of tax		$ (0.9)	$ 0.7

[1] These accumulated other comprehensive income components are included in the computation of net periodic benefit cost for pension and post-retirement plans (See "Note 6. Pension and Other Retiree Benefits" for additional details).

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Information On Business Segments (Net Sales by Segment) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($) segment	Mar. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of business segments | segment	3
Net sales	$ 405.8	$ 359.8
ACCO Brands North America
Segment Reporting Information [Line Items]
Net sales	165.6	174.9
ACCO Brands EMEA
Segment Reporting Information [Line Items]
Net sales	154.5	96.5
ACCO Brands International
Segment Reporting Information [Line Items]
Net sales	$ 85.7	$ 88.4

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Information On Business Segments (Operating Income by Segment) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Operating income	[1]	$ 11.7	$ 7.2
Interest expense		9.4	9.8
Interest income		(1.0)	(1.3)
Non-operating pension income		(2.2)	(2.1)
Other (income) expense, net		(0.6)	0.7
Income before income tax		6.1	0.1
Operating Segment
Segment Reporting Information [Line Items]
Operating income	[1]	22.8	19.5
Corporate
Segment Reporting Information [Line Items]
Operating income	[1]	(11.1)	(12.3)
ACCO Brands North America | Operating Segment
Segment Reporting Information [Line Items]
Operating income	[1]	2.9	5.8
ACCO Brands EMEA | Operating Segment
Segment Reporting Information [Line Items]
Operating income	[1]	14.1	3.6
ACCO Brands International | Operating Segment
Segment Reporting Information [Line Items]
Operating income	[1]	$ 5.8	$ 10.1

[1] Operating income as presented in the segment table above is defined as i) net sales; ii) less cost of products sold; iii) less advertising, selling, general and administrative expenses; iv) less amortization of intangibles; and v) less restructuring charges.

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Subsequent Event (Details) - Subsequent Event - Common Stock	May 01, 2018 $ / shares
Subsequent Event [Line Items]
Dividends Payable, Amount Per Share	$ 0.06
Dividends Payable, Date to be Paid	Jun. 20, 2018
Dividends Payable, Date of Record	Jun. 01, 2018