v3.26.1
Information on Operating Segments - Depreciation Expense by Segment (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting Information [Line Items]        
Total depreciation $ 4.1 $ 6.6 $ 9.5 $ 13.3
ACCO Brands Americas        
Segment Reporting Information [Line Items]        
Total depreciation 3.0 4.2 6.0 8.7
ACCO Brands International        
Segment Reporting Information [Line Items]        
Total depreciation $ 1.1 $ 2.4 $ 3.5 $ 4.6