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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 28, 2019
Share-based Payment Arrangement [Abstract] |
Schedule of Compensation Costs | The following table details deferred compensation, which is a combination of cash and stock, and the affected line item in the Consolidated Balance Sheets where deferred compensation is presented (in thousands):
| December 28, 2019 |  | December 29, 2018
Current maturities of other long-term obligations | $ | 850 |  |  | $ | 2,356 |
Other long-term liabilities | 9,740 |  |  | 8,729 |
Total deferred compensation | $ | 10,590 |  |  | $ | 11,085 |
Total fair-market value of deferred compensation | $ | 7,503 |  |  | $ | 7,857 |
Compensation cost charged against operations for the Plan and the 2017 MSPP described in "Note 11. Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity" in the Notes to Consolidated Financial Statements was as follows (in thousands):
| 2019 |  |  | 2018 |  |  | 2017 |
Compensation cost | $ | 6,830 |  |  | $ | 7,317 |  |  | $ | 7,750 |
The total income tax benefit recognized in the Consolidated Statements of Comprehensive Income for share-based compensation arrangements was as follows (in thousands):
| 2019 |  |  | 2018 |  |  | 2017 |
Income tax benefit | $ | 1,545 |  |  | $ | 1,582 |  |  | $ | 2,581 |
Schedule of Valuation Assumptions | tock-based compensation expense was estimated on the date of grant using the Black-Scholes option-pricing model with the following assumptions by grant year:
| 2019 |  |  | 2018 |  |  | 2017 |
Expected term | 5 years |  |  | 5 years |  |  | 6 years |
Expected volatility (weighted-average) | 33.86 | % |  | 34.12 | % |  | 38.07 | %
Expected dividend yield (weighted-average) | 2.98 | % |  | 2.97 | % |  | 2.36 | %
Risk-free interest rate (weighted-average) | 2.52 | % |  | 2.66 | % |  | 2.17 | %
Schedule of Share-based Compensation, Stock Options, Activity | The following table summarizes the changes in outstanding stock options:
| Number of Shares |  | Weighted Average Exercise Price
Outstanding as of December 31, 2016 | 3,504,335 |  |  | $ | 31.68 |
Granted | 537,795 |  |  | 46.61 |
Exercised | (446,817 | ) |  | 25.55 |
Forfeited or Expired | (33,029 | ) |  | 40.81 |
Outstanding as of December 30, 2017 | 3,562,284 |  |  | $ | 34.63 |
Granted | 788,301 |  |  | 38.53 |
Exercised | (647,759 | ) |  | 26.28 |
Forfeited or Expired | (75,821 | ) |  | 38.36 |
Outstanding as of December 29, 2018 | 3,627,005 |  |  | $ | 36.89 |
Granted | 637,763 |  |  | 39.64 |
Exercised | (921,900 | ) |  | 30.29 |
Forfeited or Expired | (120,143 | ) |  | 39.29 |
Outstanding as of December 28, 2019 | 3,222,725 |  |  | $ | 39.24 |
Schedule of Nonvested Restricted Stock Units Activity | A summary of the Corporation’s non-vested stock options and changes during the year are presented below:
| Number of Shares |  | Weighted Average Grant-Date Fair Value
Non-vested as of December 29, 2018 | 2,001,418 |  |  | $ | 11.46 |
Granted | 637,763 |  |  | 9.84 |
Vested | (920,133 | ) |  | 12.47 |
Forfeited | (116,475 | ) |  | 10.27 |
Non-vested as of December 28, 2019 | 1,602,573 |  |  | $ | 10.32 |
Stock Option Vested or Expected to Vest and are Exercisable | Information about stock options expected to vest or currently exercisable is as follows:
| December 28, 2019
| Number of Shares |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Exercisable Period (years) |  | Aggregate Intrinsic Value ($000s)
Expected to vest | 1,484,810 |  |  | $ | 38.95 |  |  | 8.0 |  | $ | 1,597 |
Exercisable | 1,620,152 |  |  | $ | 39.46 |  |  | 5.1 |  | $ | 3,901 |
Schedule of Share-based Compensation Arrangement Other Information | Other information for the last three years is as follows (in thousands):
| 2019 |  |  | 2018 |  |  | 2017 |
Total fair value of shares vested | $ | 11,470 |  |  | $ | 7,204 |  |  | $ | 8,057 |
Total intrinsic value of options exercised | $ | 5,981 |  |  | $ | 8,917 |  |  | $ | 7,270 |
Cash received from exercise of stock options | $ | 27,926 |  |  | $ | 17,021 |  |  | $ | 11,418 |
Tax benefit realized from exercise of stock options | $ | 1,353 |  |  | $ | 1,928 |  |  | $ | 2,423 |
Weighted-average grant-date fair value of options granted | $ | 9.84 |  |  | $ | 9.72 |  |  | $ | 14.41 |
Schedule of Share-based Compensation, Restricted Stock Units Activity | The following table summarizes the changes in outstanding RSUs:
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Outstanding as of December 31, 2016 | 60,500 |  |  | $ | 38.54 |
Granted | — |  |  | — |
Vested | (18,500 | ) |  | 35.36 |
Forfeited | (5,000 | ) |  | 51.54 |
Outstanding as of December 30, 2017 | 37,000 |  |  | $ | 38.38 |
Granted | 23,224 |  |  | 40.44 |
Vested | (12,000 | ) |  | 51.54 |
Forfeited | (2,500 | ) |  | 28.90 |
Outstanding as of December 29, 2018 | 45,724 |  |  | $ | 36.49 |
Granted | 10,000 |  |  | 36.05 |
Vested | (24,823 | ) |  | 33.30 |
Forfeited | (9,289 | ) |  | 40.22 |
Outstanding as of December 28, 2019 | 21,612 |  |  | $ | 38.41 |
The total value of shares vested was as follows (in thousands):
| 2019 |  |  | 2018 |  |  | 2017 |
Value of shares vested | $ | 827 |  |  | $ | 618 |  |  | $ | 654 |

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