v3.26.1
Earnings per share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Earnings per share - basic:    
Net income attributable to Deluxe $ 35.8 $ 14.0
Weighted-average shares outstanding 45.4 44.6
Earnings per share - basic $ 0.79 $ 0.31
Earnings per share - diluted:    
Net income attributable to Deluxe $ 35.8 $ 14.0
Re-measurement of share-based awards classified as liabilities 0.0 (0.1)
Income attributable to Deluxe available to common shareholders $ 35.8 $ 13.9
Weighted-average shares outstanding 45.4 44.6
Dilutive impact of potential common shares 0.9 0.7
Weighted-average shares and potential common shares outstanding 46.3 45.3
Earnings per share - diluted $ 0.77 $ 0.31
Antidilutive potential common shares excluded from calculation 0.9 1.2