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Share Plans (Tables)
6 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation Expense
Total share-based compensation expense for the quarters ended June 30, 2024, and July 2, 2023, was as follows:
Second QuarterYear-to-date
In millions2024202320242023
Total share-based compensation charges$0.8 $0.7 $1.4 $1.3 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The following table illustrates the assumptions used in deriving the fair value of share options granted during 2024 and the year-ended December 31, 2023:
20242023
Dividend yield (%)
3.15 - 3.32
3.15 - 3.32
Expected volatility range (%)
31.54 - 43.49
31.54 - 43.49
Risk-free interest rate (%)
3.67 - 5.16
3.67 - 5.16
Expected life of share options range (years)
1.00 - 4.00
1.00 - 4.00
Forfeiture rate (%)5.00 5.00 
Weighted average exercise price ($)$1.00$1.00
Model usedBlack-Scholes & Monte-CarloBlack-Scholes & Monte-Carlo