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Share Plans (Tables)
3 Months Ended
Apr. 02, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation Expense Total share-based compensation expense for the quarters ended April 2, 2023 and March 27, 2022 was as follows:
First Quarter
In millions20232022
Total share-based compensation charges$0.6 $0.2 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The following table illustrates the assumptions used in deriving the fair value of share options granted during the First Quarter of 2023 and the year-ended December 31, 2022:
First QuarterYear ended December 31,
20232022
Dividend yield (%)
2.75 - 3.41
2.75 - 3.41
Expected volatility range (%)
36.11 - 49.43
36.11 - 49.43
Risk-free interest rate (%)
1.28 - 2.99
1.28 - 2.99
Expected life of share options range (years)
0.50 - 4.00
0.50 - 4.00
Forfeiture rate (%)5.00 5.00 
Weighted average exercise price ($)$1.00$1.00
Model usedBlack-Scholes & Monte-CarloBlack-Scholes & Monte-Carlo