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Earnings Per Share
 3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
Basic and diluted earnings per share were calculated as follows:
Three months ended
In millions, except per-share dataMarch 31,
2025		March 31,
2024
Net income$154.9 $133.3 
Net income from continuing operations
$154.9 $133.5 
Weighted average ordinary shares outstanding
Basic164.9 165.7 
Dilutive impact of stock options, restricted stock units and performance share units
1.4 1.5 
Diluted166.3 167.2 
Earnings per ordinary share
Basic
Continuing operations$0.94 $0.80 
Discontinued operations— — 
Basic earnings per ordinary share$0.94 $0.80 
Diluted
Continuing operations$0.93 $0.80 
Discontinued operations— — 
Diluted earnings per ordinary share$0.93 $0.80 
Anti-dilutive stock options excluded from the calculation of diluted earnings per share
0.2 0.2