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Share Plans (Tables)
6 Months Ended
Jul. 02, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation Expense Total share-based compensation expense for the quarters ended July 2, 2023, and June 26 2022, was as follows:
Second QuarterYear-to-date
In millions2023202220232022
Total share-based compensation charges$0.7 $0.7 $1.3 $0.9 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The following table illustrates the assumptions used in deriving the fair value of share options granted during 2023 and the year-ended December 31, 2022:
20232022
Dividend yield (%)
2.75 - 3.41
2.75 - 3.41
Expected volatility range (%)
36.11 - 49.43
36.11 - 49.43
Risk-free interest rate (%)
1.28 - 2.99
1.28 - 2.99
Expected life of share options range (years)
0.50 - 4.00
0.50 - 4.00
Forfeiture rate (%)5.00 5.00 
Weighted average exercise price ($)$1.00$1.00
Model usedBlack-Scholes & Monte-CarloBlack-Scholes & Monte-Carlo