Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales		$ 441.6	$ 410.5
Product and services transferred at a point in time
Disaggregation of Revenue [Line Items]
Net sales		429.3	395.7
Product and services transferred over time
Disaggregation of Revenue [Line Items]
Net sales		12.3	14.8
ACCO Brands North America
Disaggregation of Revenue [Line Items]
Net sales		208.5	188.8
ACCO Brands North America | United States
Disaggregation of Revenue [Line Items]
Net sales		188.5	170.3
ACCO Brands North America | Canada
Disaggregation of Revenue [Line Items]
Net sales		20.0	18.5
ACCO Brands EMEA
Disaggregation of Revenue [Line Items]
Net sales	[1]	156.1	156.9
ACCO Brands International
Disaggregation of Revenue [Line Items]
Net sales		77.0	64.8
ACCO Brands International | Australia/N.Z.
Disaggregation of Revenue [Line Items]
Net sales		30.0	32.1
ACCO Brands International | Latin America
Disaggregation of Revenue [Line Items]
Net sales		34.4	19.5
ACCO Brands International | Asia-Pacific
Disaggregation of Revenue [Line Items]
Net sales		$ 12.6	$ 13.2

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