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Share-based Payment Arrangements (Tables) | 9 Months Ended
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Sep. 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):
|  | Thirty Nine Weeks Ended |  |  | Thirteen Weeks Ended |
|  | September 27, 2014 |  |  | September 28, 2013 |  |  | September 27, 2014 |  |  | September 28, 2013 |
Total cost of the Plans during the period |  | $ | 4,218 |  |  | $ | 4,133 |  |  | $ | 1,419 |  |  | $ | 1,141 |
Amount of related income tax benefit recognized during the period |  |  | (2,230 | ) |  |  | (1,294 | ) |  |  | (953 | ) |  |  | (315 | )
Net cost of the Plans during the period |  | $ | 1,988 |  |  | $ | 2,839 |  |  | $ | 466 |  |  | $ | 826 |
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 the 2014 and 2013 thirty-nine-week periods:
|  | 2014 |  |  | 2013 |
Expected volatility |  |  | 26.0 | % |  |  | 32.0 | %
Expected dividend yield |  |  | 0.43 | % |  |  | 0.41 | %
Risk-free interest rate |  |  | 1.50 | % |  |  | 0.75 | %
Expected lives (in years) |  |  | 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:
|  | Number of Options |  |  | Weighted Average Exercise Price per Share |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Aggregate Intrinsic Value (000s) |
Options outstanding at December 28, 2013 |  |  | 1,454,816 |  |  | $ | 44.55 |  |  |  |  |  |  |  |  |
Granted |  |  | 1,000 |  |  | $ | 58.06 |  |  |  |  |  |  |  |  |
Exercised |  |  | (462,545 | ) |  | $ | 41.18 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (65,800 | ) |  | $ | 47.47 |  |  |  |  |  |  |  |  |
Options outstanding at September 27, 2014 |  |  | 927,471 |  |  | $ | 46.04 |  |  |  | 5.6 |  |  | $ | 24,162 |
Options exercisable at September 27, 2014 |  |  | 531,221 |  |  | $ | 43.72 |  |  |  | 4.4 |  |  | $ | 15,072 |
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 28, 2013 |  |  | 38,193 |  |  | $ | 46.75 |
Granted |  |  | 7,124 |  |  | $ | 63.17 |
Vested |  |  | (19,196 | ) |  | $ | 41.85 |
Forfeited |  |  | (2,768 | ) |  | $ | 54.20 |
Outstanding at September 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 28, 2013 |  |  | 308,007 |  |  | $ | 49.63 |
Granted |  |  | 146,000 |  |  | $ | 53.11 |
Vested |  |  | (24,641 | ) |  | $ | 51.47 |
Forfeited |  |  | (3,736 | ) |  | $ | 49.53 |
Outstanding at September 27, 2014 |  |  | 425,630 |  |  | $ | 50.72 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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