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Share-Based Compensation (Tables) | 12 Months Ended
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Feb. 03, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Expense and Associated Tax Benefits | Share-based compensation expense and the associated tax benefits recognized in the consolidated income statements are as follows:
(in millions) | Fiscal 2018 |  | Fiscal 2017 |  | Fiscal 2016
Share-based compensation expense | $ | 16.1 |  |  | $ | 8.0 |  |  | $ | 16.4 |
Income tax benefit | $ | (5.3 | ) |  | $ | (2.8 | ) |  | $ | (5.9 | )
Summary of Unrecognized Compensation Cost Related to Outstanding Awards | As of February 3, 2018, unrecognized compensation cost related to unvested awards granted under share-based compensation plans is as follows:
| Unrecognized Compensation Cost |  | Weighted average period
| (in millions) |  |
Omnibus Plan | $ | 27.6 |  |  | 2.0 years
Share Saving Plans | 4.1 |  |  | 1.7 years
Total | $ | 31.7 |  |  |
Omnibus Plan |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Significant Assumptions Utilized to Estimate Weighted-Average Fair Value of Awards Granted | The significant assumptions utilized to estimate the weighted-average fair value of awards granted under the Omnibus Plan are as follows:
| Omnibus Plan
| Fiscal 2018 |  | Fiscal 2017 |  | Fiscal 2016
Share price | $ | 65.74 |  |  | $ | 109.03 |  |  | $ | 136.37 |
Risk free interest rate | 1.4 | % |  | 1.0 | % |  | 0.8 | %
Expected term | 2.7 years |  |  | 2.8 years |  |  | 2.9 years |
Expected volatility | 32.3 | % |  | 28.5 | % |  | 25.4 | %
Dividend yield | 2.1 | % |  | 1.1 | % |  | 0.7 | %
Fair value | $ | 63.42 |  |  | $ | 106.48 |  |  | $ | 134.46 |
Activity for Awards Granted Under the Plan | The Fiscal 2018 activity for awards granted under the Omnibus Plan is as follows:
| Omnibus Plans
(in millions, except per share amounts) | No. of shares |  | Weighted average grant date fair value |  | Weighted average remaining contractual life |  | Intrinsic value(1)
Outstanding at January 28, 2017 | 0.7 |  |  | $ | 111.98 |  |  | 1.3 years |  | $ | 53.0 |
Fiscal 2018 activity: |  |  |  |  |  |  |
Granted | 0.9 |  |  | 63.42 |  |  |  |  |
Vested | (0.1 | ) |  | 105.76 |  |  |  |  |
Lapsed | (0.4 | ) |  | 84.41 |  |  |  |  |
Outstanding at February 3, 2018 | 1.1 |  |  | $ | 82.65 |  |  | 1.5 years |  | $ | 55.0 |
(1) | Intrinsic value for outstanding restricted stock and RSUs is based on the fair market value of Signet’s common stock on the last business day of the fiscal year.
Summary of Additional Information about Awards Granted | The following table summarizes additional information about awards granted under the Omnibus Plan:
(in millions) | Fiscal 2018 |  | Fiscal 2017 |  | Fiscal 2016
Total intrinsic value of awards vested | $ | 7.1 |  |  | $ | 13.6 |  |  | $ | 22.2 |
Saving Share Plans |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Significant Assumptions Utilized to Estimate Weighted-Average Fair Value of Awards Granted | The significant assumptions utilized to estimate the weighted-average fair value of awards granted under the Share Saving Plans are as follows:
| Share Saving Plans
| Fiscal 2018 |  | Fiscal 2017 |  | Fiscal 2016
Share price | $ | 59.84 |  |  | $ | 84.37 |  |  | $ | 139.18 |
Exercise price | $ | 52.00 |  |  | $ | 67.24 |  |  | $ | 114.67 |
Risk free interest rate | 1.2 | % |  | 0.6 | % |  | 0.7 | %
Expected term | 2.7 years |  |  | 2.7 years |  |  | 2.6 years |
Expected volatility | 37.0 | % |  | 31.3 | % |  | 27.1 | %
Dividend yield | 2.7 | % |  | 1.7 | % |  | 0.8 | %
Fair value | $ | 15.22 |  |  | $ | 22.82 |  |  | $ | 34.76 |
Activity for Awards Granted Under the Plan | The Fiscal 2018 activity for awards granted under the Share Saving Plans is as follows:
| Share Saving Plans
(in millions, except per share amounts) | No. of shares |  | Weighted average exercise price |  | Weighted average remaining contractual life |  | Intrinsic value(1)
Outstanding at January 28, 2017 | 0.3 |  |  | $ | 74.30 |  |  | 2.0 years |  | $ | 3.0 |
Fiscal 2018 activity: |  |  |  |  |  |  |
Granted | 0.1 |  |  | 52.00 |  |  |  |  |
Exercised | — |  |  | 46.55 |  |  |  |  |
Lapsed | (0.1 | ) |  | 82.91 |  |  |  |  |
Outstanding at February 3, 2018 | 0.3 |  |  | $ | 62.80 |  |  | 1.8 years |  | $ | — |
Exercisable at January 28, 2017 | — |  |  | $ | — |  |  |  |  | $ | — |
Exercisable at February 3, 2018 | — |  |  | $ | — |  |  |  |  | $ | — |
(1) Intrinsic value for outstanding awards is based on the fair market value of Signet’s common stock on the last business day of the fiscal year.
Summary of Additional Information about Awards Granted | The following table summarizes additional information about awards granted under the Share Saving Plans:
(in millions, except per share amounts) | Fiscal 2018 |  | Fiscal 2017 |  | Fiscal 2016
Weighted average grant date fair value per share of awards granted | $ | 15.22 |  |  | $ | 22.82 |  |  | $ | 34.76 |
Total intrinsic value of options exercised | $ | 0.1 |  |  | $ | 1.5 |  |  | $ | 6.4 |
Cash received from share options exercised | $ | 0.3 |  |  | $ | 1.4 |  |  | $ | 4.0 |

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