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Information on Business Segments - Net Sales by Segment (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Net sales $ 2,025.3 $ 1,655.2 $ 1,955.7
ACCO Brands North America      
Segment Reporting Information [Line Items]      
Net sales 1,042.4 822.1 966.8
ACCO Brands EMEA      
Segment Reporting Information [Line Items]      
Net sales 662.9 523.9 569.3
ACCO Brands International      
Segment Reporting Information [Line Items]      
Net sales $ 320.0 $ 309.2 $ 419.6