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Share Plans (Tables) | 9 Months Ended
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Sep. 29, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation Expense | Total share-based compensation expense for the Third Quarter and three-quarters ended September 29, 2019, and September 30, 2018, was as follows:
|  | Third Quarter |  | Year-to-date |
| In millions | 2019 |  | 2018 |  | 2019 | 2018 |
| Total share-based compensation charges | $ | 0.6 |  |  | $ | 1.2 |  |  | $ | 4.0 |  | $ | 3.1 |  |
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 2019 and the year-ended December 31, 2018,:
|  | 2019 |  | 2018 |
| Dividend yield (%) | 4.00 |  | 4.00 |
| Expected volatility range (%) | 22.65 |  | 22.65 - 35.77 |
| Risk-free interest rate (%) | 0.12 |  | 0.12 - 2.57 |
| Expected life of share options range (years) | 1.00 - 4.00 |  | 0.50 - 6.00 |
| Weighted average exercise price ($) | $0.89 |  | $0.65 |
| Model used | Black-Scholes & Monte-Carlo |  | Black-Scholes & Monte-Carlo |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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