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Share-Based Payment Arrangements (Tables) | 12 Months Ended
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Dec. 27, 2014
Amounts Recognized in Financial Statements with Respect to Plans | Amounts recognized in the financial statements with respect to these Plans are as follows (in thousands):
|  | Fiscal Years |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Total cost of the Plans during the period |  | $ | 6,797 |  |  | $ | 4,911 |  |  | $ | 6,149 |
Amount of related income tax benefit recognized during the period |  |  | (3,171 | ) |  |  | (1,305 | ) |  |  | (2,398 | )
Net cost of the Plans during the period |  | $ | 3,626 |  |  | $ | 3,606 |  |  | $ | 3,751 |
Weighted Average Assumptions for Option Grants | The fair value of each option grant on its grant date was calculated using the Black-Scholes option pricing model with the following weighted average assumptions for grants made in 2014, 2013 and 2012:
|  | 2014 |  |  | 2013 |  |  | 2012 |
Expected volatility |  |  | 26.0 | % |  |  | 32.0 | % |  |  | 34.0 | %
Expected dividend yield |  |  | 0.43 | % |  |  | 0.41 | % |  |  | 0.42 | %
Risk-free interest rate |  |  | 1.50 | % |  |  | 0.75 | % |  |  | 0.90 | %
Expected lives (in years) |  |  | 4.0 |  |  |  | 4.0 |  |  |  | 4.0 |
Summary of Information Regarding Stock Options | The following table summarizes information regarding the Company’s outstanding stock options under the Plans:
|  | Options Outstanding |  |  | Options Exercisable |
|  | Number of Options |  |  | Weighted Average Exercise Price per Share |  |  | Number of Options |  |  | Weighted Average Exercise Price per Share |
Options at December 31, 2011 |  |  | 2,326,776 |  |  | $ | 40.11 |  |  |  | 1,110,743 |  |  | $ | 39.74 |
Granted |  |  | 329,500 |  |  | $ | 52.03 |  |  |  |  |  |  |  |  |
Exercised |  |  | (846,294 | ) |  | $ | 39.47 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (28,800 | ) |  | $ | 43.23 |  |  |  |  |  |  |  |  |
Options at December 29, 2012 |  |  | 1,781,182 |  |  | $ | 42.56 |  |  |  | 661,865 |  |  | $ | 40.64 |
Granted |  |  | 152,500 |  |  | $ | 56.40 |  |  |  |  |  |  |  |  |
Exercised |  |  | (421,066 | ) |  | $ | 40.52 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (57,800 | ) |  | $ | 43.90 |  |  |  |  |  |  |  |  |
Options at December 28, 2013 |  |  | 1,454,816 |  |  | $ | 44.55 |  |  |  | 693,516 |  |  | $ | 42.29 |
Granted |  |  | 1,000 |  |  | $ | 58.06 |  |  |  |  |  |  |  |  |
Exercised |  |  | (615,077 | ) |  | $ | 41.27 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (66,900 | ) |  | $ | 47.51 |  |  |  |  |  |  |  |  |
Options at December 27, 2014 |  |  | 773,839 |  |  | $ | 46.92 |  |  |  | 379,389 |  |  | $ | 44.61 |
Summary of Stock Options Outstanding and Exercisable | The following tables summarize stock options outstanding and exercisable at December 27, 2014:
|  | Options Outstanding |
Range of Exercise Prices Per Share |  | Number Outstanding |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Weighted Average Exercise Price per Share |
$35.64 - $ 40.00 |  |  | 110,312 |  |  |  | 4.7 |  |  | $ | 37.13 |
$40.01 - $ 45.00 |  |  | 275,921 |  |  |  | 4.4 |  |  | $ | 42.29 |
$45.01 - $ 58.06 |  |  | 387,606 |  |  |  | 7.1 |  |  | $ | 53.00 |
|  |  | 773,839 |  |  |  | 5.8 |  |  | $ | 46.92 |
|  | Options Exercisable |
Range of Exercise Prices Per Share |  | Number Exercisable |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Weighted Average Exercise Price per Share |
$35.64 - $ 40.00 |  |  | 67,362 |  |  |  | 4.4 |  |  | $ | 36.85 |
$40.01 - $ 45.00 |  |  | 184,121 |  |  |  | 3.6 |  |  | $ | 42.56 |
$45.01 - $ 56.40 |  |  | 127,906 |  |  |  | 6.2 |  |  | $ | 51.64 |
|  |  | 379,389 |  |  |  | 4.6 |  |  | $ | 44.61 |
Non-vested Restricted Stock |
Schedule of Information on Non-Vested Restricted Stock | The following table summarizes information regarding the Company’s outstanding non-vested restricted stock under the Plans:
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding at December 31, 2011 |  |  | 40,993 |  |  | $ | 42.03 |
Granted |  |  | 4,151 |  |  | $ | 54.20 |
Vested |  |  | (8,732 | ) |  | $ | 44.35 |
Forfeited |  |  | (1,693 | ) |  | $ | 45.21 |
Outstanding at December 29, 2012 |  |  | 34,719 |  |  | $ | 42.75 |
Granted |  |  | 15,449 |  |  | $ | 54.85 |
Vested |  |  | (11,975 | ) |  | $ | 45.61 |
Outstanding at December 28, 2013 |  |  | 38,193 |  |  | $ | 46.75 |
Granted |  |  | 7,124 |  |  | $ | 63.17 |
Vested |  |  | (19,196 | ) |  | $ | 41.85 |
Forfeited |  |  | (2,768 | ) |  | $ | 54.20 |
Outstanding at December 27, 2014 |  |  | 23,353 |  |  | $ | 54.90 |
Restricted Stock Units (RSUs) |
Schedule of Information on Restricted Stock Units | The following table summarizes information regarding the Company’s outstanding RSU awards under the Plans:
|  | Number of Units |  |  | Weighted Average Grant Date Fair Value |
Outstanding at December 31, 2011 |  |  | — |  |  | $ | — |
Granted |  |  | 113,000 |  |  | $ | 44.78 |
Outstanding at December 29, 2012 |  |  | 113,000 |  |  | $ | 44.78 |
Granted |  |  | 244,500 |  |  | $ | 51.19 |
Vested |  |  | (21,901 | ) |  | $ | 44.78 |
Forfeited |  |  | (27,592 | ) |  | $ | 47.45 |
Outstanding at December 28, 2013 |  |  | 308,007 |  |  | $ | 49.63 |
Granted |  |  | 146,000 |  |  | $ | 53.11 |
Vested |  |  | (24,641 | ) |  | $ | 51.47 |
Forfeited |  |  | (3,736 | ) |  | $ | 49.53 |
Outstanding at December 27, 2014 |  |  | 425,630 |  |  | $ | 50.72 |

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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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