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    <dei:EntityIncorporationStateCountryCode contextRef="From2020-12-17to2020-12-17">DE</dei:EntityIncorporationStateCountryCode>
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    <dei:EntityAddressCityOrTown contextRef="From2020-12-17to2020-12-17">Lake Zurich</dei:EntityAddressCityOrTown>
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    <dei:AmendmentDescription contextRef="From2020-12-17to2020-12-17">On December 17, 2020, ACCO Brands Corporation (the &#x201c;Company&#x201d;)
filed a Current Report on Form 8-K (the &#x201c;Original Form 8-K&#x201d;) to announce that it had completed the acquisition of the
consumer electronics and video gaming accessory business of Bensussen Deutsch &amp; Associates LLC (&#x201c;Seller&#x201d;), referred
to as Seller&#x2019;s Consumer Products Division (the &#x201c;PowerA Business&#x201d;), for approximately $340 million (subject to
customary adjustments), and up to $55 million in additional earn-out consideration, pursuant to the Equity Purchase Agreement (the
&#x201c;Purchase Agreement&#x201d;), dated November 10, 2020, as amended, by and among the Company, ACCO Brands USA LLC ("Buyer"),
a wholly owned subsidiary of the Company, Seller, and, solely with respect to certain provisions thereof, Bensussen Deutsch Holdings,
Inc., Jacob B. Deutsch and Eric E. Bensussen. Pursuant to the Purchase Agreement, Seller (i) directly transferred certain non-U.S.
assets and intellectual property of the PowerA Business to Buyer or an affiliate of Buyer and (ii) contributed the other assets
and properties of the PowerA Business into Pioneer Newco, LLC (&#x201c;Newco&#x201d;), a wholly owned subsidiary of Seller, after
which Buyer purchased all of the outstanding equity interests of Newco (collectively, the &#x201c;Transaction&#x201d;). Newco was
subsequently merged into ACCO Brands USA, LLC, a wholly-owned subsidiary of the Company.</dei:AmendmentDescription>
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