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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Valuation Assumptions | The stock compensation expense for the years ended December 31, 2016, January 2, 2016 and January 3, 2015, was estimated on the date of grant using the Black-Scholes option-pricing model with the following assumptions by grant year:
| Year Ended Dec 31, 2016 |  | Year Ended Jan 2, 2016 |  | Year Ended Jan 3, 2015
Expected term | 6 years |  |  | 6 years |  |  | 5 years |
Expected volatility: |  |  |  |  |
Weighted-average | 38.96 | % |  | 43.54 | % |  | 42.49 | %
Expected dividend yield: |  |  |  |  |
Weighted-average | 3.30 | % |  | 1.94 | % |  | 2.76 | %
Risk-free interest rate: |  |  |  |  |
Range used | 1.41 | % |  | 1.69 | % |  | 1.54 | %
Schedule of Share-based Compensation, Stock Options, Activity | The following table summarizes the changes in outstanding stock options since the beginning of fiscal 2014.
| Number of Shares |  |  | Weighted-Average Exercise Price |
Outstanding at December 28, 2013 | 3,630,567 |  |  |  | $29.94 |
Granted | 536,275 |  |  | 34.78 |
Exercised | (542,837 | ) |  | 28.53 |
Forfeited or Expired | (288,560 | ) |  | 38.55 |
Outstanding at January 3, 2015 | 3,335,445 |  |  |  | $29.93 |
Granted | 350,038 |  |  | 51.54 |
Exercised | (302,635 | ) |  | 30.22 |
Forfeited or Expired | (24,525 | ) |  | 39.14 |
Outstanding at January 2, 2016 | 3,358,323 |  |  |  | $32.09 |
Granted | 877,277 |  |  | 32.18 |
Exercised | (609,663 | ) |  | 30.52 |
Forfeited or Expired | (121,602 | ) |  | 52.24 |
Outstanding at December 31, 2016 | 3,504,335 |  |  |  | $31.68 |
Schedule of Nonvested Restricted Stock Units Activity | A summary of the Corporation’s non-vested stock options as of December 31, 2016 and changes during the year are presented below:
Non-vested Stock Options | Shares |  | Weighted-Average Grant-Date Fair Value
Non-vested at January 2, 2016 | 2,138,724 |  |  |  | $11.18 |
Granted | 877,277 |  |  | 8.80 |
Vested | (820,915 | ) |  | 8.78 |
Forfeited | (32,929 | ) |  | 11.74 |
Non-vested at December 31, 2016 | 2,162,157 |  |  |  | $11.12 |
Stock Option Vested or Expected to Vest and are Exercisable | Information about stock options expected to vest or currently exercisable at December 31, 2016, is as follows:
Options | Number |  |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Life in Years |  | Aggregate Intrinsic Value ($000s)
Expected to vest | 2,049,938 |  |  |  | $35.48 |  |  | 7.7 |  |  | $41,893 |
Exercisable | 1,342,178 |  |  |  | $25.50 |  |  | 4.0 |  |  | $40,827 |
Schedule of Share-based Compensation Arrangement Other Information | Other information for the last three years is as follows:
(In thousands) | Dec. 31, 2016 |  | Jan. 2, 2016 |  | Jan. 3, 2015
Total fair value of shares vested |  | $7,206 |  |  |  | $5,554 |  |  |  | $5,735 |
Total intrinsic value of options exercised | 11,985 |  |  | 6,412 |  |  | 8,389 |
Cash received from exercise of stock options | 18,609 |  |  | 9,145 |  |  | 15,489 |
Tax benefit realized from exercise of stock options | 4,142 |  |  | 2,111 |  |  | 2,982 |
Schedule of Share-based Compensation, Restricted Stock Units Activity | The following table summarizes the changes in outstanding RSUs since the beginning of fiscal 2014:
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Outstanding at December 28, 2013 | 24,526 |  |  |  | $23.01 |
Granted | 15,500 |  |  | 32.23 |
Vested | (14,000 | ) |  | 21.47 |
Forfeited | — |  |  | — |
Outstanding at January 3, 2015 | 26,026 |  |  |  | $27.76 |
Granted | 23,000 |  |  | 51.54 |
Vested | (10,526 | ) |  | 21.19 |
Forfeited | — |  |  | — |
Outstanding at January 2, 2016 | 38,500 |  |  |  | $43.77 |
Granted | 25,000 |  |  | 32.06 |
Vested | — |  |  | — |
Forfeited | (3,000 | ) |  | 51.54 |
Outstanding at December 31, 2016 | 60,500 |  |  |  | $38.54 |

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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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