Basis Of Presentation	12 Months Ended
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis Of Presentation	1. Basis of Presentation As used in this Annual Report on Form 10-K for the fiscal year ended December 31, 2018, the terms "ACCO Brands," "ACCO," the "Company," "we," "us," and "our" refer to ACCO Brands Corporation, a Delaware corporation incorporated in 2005, and its consolidated domestic and international subsidiaries. The management of ACCO Brands Corporation is responsible for the accuracy and internal consistency of the preparation of the consolidated financial statements and notes contained in this Annual Report on Form 10-K. The consolidated financial statements include the accounts of ACCO Brands Corporation and its domestic and international subsidiaries. Intercompany accounts and transactions have been eliminated in consolidation. On July 2, 2018, we completed the acquisition (the "GOBA Acquisition") of GOBA Internacional, S.A. de C.V. ("GOBA"), a leading provider of school and craft products in Mexico under the Barrilito^®brand, for a preliminary purchase price of approximately $38.0 million, net of cash acquired, and subject to working capital and other adjustments. The GOBA Acquisition is expected to increase the breadth and depth of our distribution, especially with wholesalers and retailers throughout Mexico and complement our existing office products portfolio with a strong offering of school and craft products. The results of GOBA are included in the ACCO Brands International segment from July 2, 2018. On January 31, 2017, we completed the acquisition (the "Esselte Acquisition") of Esselte Group Holdings AB ("Esselte"). Accordingly, the financial results of Esselte are included in the Company's consolidated financial statements from February 1, 2017, and are reflected in all three of the Company's reportable business segments. On May 2, 2016, we completed the acquisition of Australia Stationery Industries, Inc. (the "PA Acquisition"), which indirectly owned the 50% of the Pelikan Artline joint venture and the issued capital stock of Pelikan Artline Pty Limited (collectively, "Pelikan Artline") that was not already owned by the Company. Prior to the PA Acquisition, the Pelikan Artline joint venture was accounted for under the equity method. From the date of the PA Acquisition, the results of Pelikan Artline are included in the Company's consolidated financial statements and are reported in the ACCO Brands International segment. Accordingly, we no longer separately report equity in earnings from this joint venture. For more information on these acquisitions, see "Note 3. Acquisitions." In accordance with the adoption of the Accounting Standard Update ("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 retrospectively revised its presentation of pension costs, reclassifying the non-service components of periodic pension income/cost to "Non-operating pension income" in the Consolidated Statements of Income for the years ended December 31, 2017 and 2016. For more information, see "Note 2. Significant Accounting Policies, Recent Accounting Pronouncements and Adopted Accounting Standards." On January 1, 2018, the Company adopted accounting standard ASU 2014-09, Revenue from Contracts with Customers and all related amendments (Topic 606), applying the modified retrospective transition method to all customer 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. For more information, see "Note 2. Significant Accounting Policies, Recent Accounting Pronouncements and Adopted Accounting Standards" and "Note 5. Revenue Recognition." Certain prior year amounts have been reclassified for consistency with the current year presentation in "Note 17. Information on Business Segments."

1. Basis of Presentation

As used in this Annual Report on Form 10-K for the fiscal year ended December 31, 2018, the terms "ACCO Brands," "ACCO," the "Company," "we," "us," and "our" refer to ACCO Brands Corporation, a Delaware corporation incorporated in 2005, and its consolidated domestic and international subsidiaries.

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

The consolidated financial statements include the accounts of ACCO Brands Corporation and its domestic and international subsidiaries. Intercompany accounts and transactions have been eliminated in consolidation.

On July 2, 2018, we completed the acquisition (the "GOBA Acquisition") of GOBA Internacional, S.A. de C.V. ("GOBA"), a leading provider of school and craft products in Mexico under the Barrilito^®brand, for a preliminary purchase price of approximately $38.0 million, net of cash acquired, and subject to working capital and other adjustments. The GOBA Acquisition is expected to increase the breadth and depth of our distribution, especially with wholesalers and retailers throughout Mexico and complement our existing office products portfolio with a strong offering of school and craft products. The results of GOBA are included in the ACCO Brands International segment from July 2, 2018.

On January 31, 2017, we completed the acquisition (the "Esselte Acquisition") of Esselte Group Holdings AB ("Esselte"). Accordingly, the financial results of Esselte are included in the Company's consolidated financial statements from February 1, 2017, and are reflected in all three of the Company's reportable business segments.

On May 2, 2016, we completed the acquisition of Australia Stationery Industries, Inc. (the "PA Acquisition"), which indirectly owned the 50% of the Pelikan Artline joint venture and the issued capital stock of Pelikan Artline Pty Limited (collectively, "Pelikan Artline") that was not already owned by the Company. Prior to the PA Acquisition, the Pelikan Artline joint venture was accounted for under the equity method. From the date of the PA Acquisition, the results of Pelikan Artline are included in the Company's consolidated financial statements and are reported in the ACCO Brands International segment. Accordingly, we no longer separately report equity in earnings from this joint venture.

For more information on these acquisitions, see "Note 3. Acquisitions."

In accordance with the adoption of the Accounting Standard Update ("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 retrospectively revised its presentation of pension costs, reclassifying the non-service components of periodic pension income/cost to "Non-operating pension income" in the Consolidated Statements of Income for the years ended December 31, 2017 and 2016. For more information, see "Note 2. Significant Accounting Policies, Recent Accounting Pronouncements and Adopted Accounting Standards."

On January 1, 2018, the Company adopted accounting standard ASU 2014-09, Revenue from Contracts with Customers and all related amendments (Topic 606), applying the modified retrospective transition method to all customer 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. For more information, see "Note 2. Significant Accounting Policies, Recent Accounting Pronouncements and Adopted Accounting Standards" and "Note 5. Revenue Recognition."

Certain prior year amounts have been reclassified for consistency with the current year presentation in "Note 17. Information on Business Segments."