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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 30, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Stock Option Activity | The following table summarizes stock option activity for 2017, 2016 and 2015:
|  |  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  |  |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
| Shares |  |  | Exercise |  |  | Contractual |  |  | Intrinsic Value |
| Under Options |  |  | Price |  |  | Life Years |  |  | (in thousands) |
Options outstanding and exercisable at January 3, 2015 |  |  | 494,483 |  |  | $ |  | 20.61 |  |  |  |  | 3.30 |  |  | $ |  | 2,772 |
Exercised |  |  | (185,627 | ) |  |  |  | 19.72 |  |  |  |  |  |  |  |  |  | 1,543 |
Cancelled/Forfeited |  |  | (63 | ) |  |  |  | 11.50 |  |  |  |  |  |  |  |  |  |  |
Options outstanding and exercisable at January 2, 2016 |  |  | 308,793 |  |  |  |  | 21.15 |  |  |  |  | 2.46 |  |  |  |  | 773 |
Exercised |  |  | (107,338 | ) |  |  |  | 23.46 |  |  |  |  |  |  |  |  |  | 1,043 |
Cancelled/Forfeited |  |  | (938 | ) |  |  |  | 14.36 |  |  |  |  |  |  |  |  |  |  |
Options outstanding and exercisable at December 31, 2016 |  |  | 200,517 |  |  |  |  | 19.94 |  |  |  |  | 1.65 |  |  |  |  | 3,929 |
Exercised |  |  | (152,589 | ) |  |  |  | 21.02 |  |  |  |  |  |  |  |  |  | 1,832 |
Cancelled/Forfeited |  |  | — |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |
Options outstanding and exercisable at December 30, 2017 |  |  | 47,928 |  |  | $ |  | 16.52 |  |  |  |  | 1.07 |  |  | $ |  | 487 |
Summary of Restricted Stock Activity | The following table summarizes restricted stock activity for 2017, 2016 and 2015:
|  |  |  |  |  |  |  |  |  |  |  | Weighted Average |
|  |  |  |  |  |  |  |  |  |  |  | Grant-Date |
|  |  |  |  |  |  | Shares |  |  | Fair Value |
Outstanding and nonvested at January 3, 2015 |  |  |  |  |  |  |  |  | 600,653 |  |  | $ |  | 23.08 |
Granted |  |  |  |  |  |  |  |  | 314,595 |  |  |  |  | 26.59 |
Vested |  |  |  |  |  |  |  |  | (265,737 | ) |  |  |  | 23.19 |
Forfeited |  |  |  |  |  |  |  |  | (11,956 | ) |  |  |  | 23.85 |
Outstanding and nonvested at January 2, 2016 |  |  |  |  |  |  |  |  | 637,555 |  |  |  |  | 24.75 |
Granted |  |  |  |  |  |  |  |  | 314,944 |  |  |  |  | 28.34 |
Vested |  |  |  |  |  |  |  |  | (255,156 | ) |  |  |  | 24.56 |
Forfeited |  |  |  |  |  |  |  |  | (37,200 | ) |  |  |  | 25.80 |
Outstanding and nonvested at December 31, 2016 |  |  |  |  |  |  |  |  | 660,143 |  |  |  |  | 26.48 |
Granted |  |  |  |  |  |  |  |  | 296,297 |  |  |  |  | 34.68 |
Vested |  |  |  |  |  |  |  |  | (258,183 | ) |  |  |  | 25.90 |
Forfeited |  |  |  |  |  |  |  |  | (84,513 | ) |  |  |  | 29.11 |
Outstanding and nonvested at December 30, 2017 |  |  |  |  |  |  |  |  | 613,744 |  |  | $ |  | 30.32 |
Summary of Allocation of Stock-Based Compensation Expense in Condensed Consolidated Statements of Operations | Stock-based compensation expense recognized and included in “Selling, general and administrative expenses” in the consolidated statements of operations, and related tax benefits were as follows:
(In thousands) |  |  |  | 2017 |  |  | 2016 |  |  | 2015 |
Restricted stock |  |  |  | $ |  | 9,611 |  |  | $ |  | 7,936 |  |  | $ |  | 7,240 |
Tax benefits |  |  |  |  |  | (3,440 | ) |  |  |  | (2,976 | ) |  |  |  | (2,758 | )
Stock-based compensation expense, net of tax |  |  |  | $ |  | 6,171 |  |  | $ |  | 4,960 |  |  | $ |  | 4,482 |

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