v3.26.1
Share Plans (Tables)
6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Share-based Compensation Expense
Total share-based compensation expense (benefit) for the three and six months ended June 30, 2026 and 2025 was as follows:
Three months ended
Six months ended
In millionsJune 30,
2026
June 30,
2025
June 30,
2026
June 30,
2025
Restricted stock units$3.9 $3.9 $7.8 $7.2 
Stock options0.8 0.9 3.4 3.5 
Performance share units(0.9)3.8 8.3 10.5 
Total share-based compensation expense$3.8 $8.6 $19.5 $21.2 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
We estimated the fair value of each stock option award issued in the annual share-based compensation grant using a Black-Scholes option pricing model, modified for dividends and using the following assumptions:
 
2026
Annual Grant
Risk-free interest rate3.67 %
Expected dividend yield1.01 %
Expected share price volatility32.00 %
Expected term (years)6.7