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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2016
Share-Based Compensation |
Summary of option activity |
|  | Options |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value |
|  |  |  |  |  |  |  | (in thousands) |
Outstanding at January 2, 2016 |  |  | 1,206,778 |  | $ | 26.36 |  |  |  |  |  |  |
Fiscal 2016: |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  |  | 32,000 |  |  | 30.96 |  |  |  |  |  |  |
Exercised |  |  | (124,931 | ) |  | 22.83 |  |  |  |  | $ | 729 |
Expired |  |  | (168,764 | ) |  | 48.95 |  |  |  |  |  |  |
Forfeited |  |  | — |  |  | — |  |  |  |  |  |  |
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Outstanding at December 31, 2016 |  |  | 945,083 |  |  | 22.95 |  |  | 4.09 |  | $ | 12,904 |
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Options exercisable at December 31, 2016 |  |  | 577,963 |  | $ | 22.18 |  |  | 3.26 |  | $ | 8,337 |
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Vested or expected to vest at December 31, 2016 |  |  | 939,630 |  | $ | 22.94 |  |  | 4.08 |  | $ | 12,835 |
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Schedule of weighted average assumptions used to estimate the fair market value of the stock options at the date of grant |
|  | 2016 |  | 2015 |  | 2014 |
Risk-free interest rate |  |  | 1.3 | % |  | 1.4 | % |  | 1.6 | %
Expected volatility |  |  | 36 | % |  | 39 | % |  | 43 | %
Expected dividend yield |  |  | 1.5 | % |  | — |  |  | — |
Forfeiture rate |  |  | 0.5 | % |  | 1.1 | % |  | 4.0 | %
Weighted average expected life (in years) |  |  | 4.58 |  |  | 4.50 |  |  | 5.00 |
Summary of options outstanding and options exercisable | The following table summarizes stock options outstanding and stock options exercisable under the 2006 Equity Plan as of December 31, 2016:
|  | Options Outstanding |  | Options Exercisable |
Range of Exercise Prices |  | Number Outstanding at December 31, 2016 |  | Weighted- Average Remaining Contractual Life (years) |  | Weighted- Average Exercise Price |  | Number Exercisable at December 31, 2016 |  | Weighted- Average Remaining Contractual Life (years) |  | Weighted- Average Exercise Price |
$16.12 - 21.48 |  |  | 324,259 |  |  | 3.14 |  | $ | 19.20 |  |  | 263,086 |  |  | 2.97 |  | $ | 19.36 |
$21.49 - 26.86 |  |  | 408,809 |  |  | 4.26 |  |  | 21.75 |  |  | 224,890 |  |  | 2.94 |  |  | 21.94 |
$26.87 - 32.23 |  |  | 212,015 |  |  | 5.20 |  |  | 30.98 |  |  | 89,987 |  |  | 4.89 |  |  | 30.98 |
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Total |  |  | 945,083 |  |  | 4.09 |  | $ | 22.95 |  |  | 577,963 |  |  | 3.26 |  | $ | 22.18 |
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Schedule of roll-forward of the outstanding stock options | The following table provides a roll-forward of the outstanding stock options under the 2006 Equity Incentive Plan over fiscal 2016:
|  | Options |
|  | Number of Shares |  | Weighted-Average Fair Value |
Non-vested at January 2, 2016 |  |  | 505,264 |  | $ | 8.75 |
Granted |  |  | 32,000 |  |  | 9.93 |
Vested |  |  | (170,144 | ) |  | 8.74 |
Forfeited |  |  | — |  |  | — |
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Non-vested at December 31, 2016 |  |  | 367,120 |  | $ | 8.86 |
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Schedule of roll-forward of shares of restricted stock | The following table provides a roll-forward of the shares of restricted stock under the 2006 Equity Incentive Plan over fiscal 2016:
|  | Shares of Restricted Stock |
|  | Number of Shares |  | Weighted-Average Fair Value |
Non-vested at January 2, 2016 |  |  | 68,741 |  | $ | 22.47 |
Granted |  |  | 21,231 |  |  | 24.73 |
Vested |  |  | (27,850 | ) |  | 21.58 |
Forfeited |  |  | — |  |  | — |
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Non-vested at December 31, 2016 |  |  | 62,122 |  | $ | 23.64 |
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Schedule of roll-forward of the time-vesting restricted stock units | The following table provides a roll-forward of the time-vesting restricted stock units under the 2006 Equity Incentive Plan over fiscal 2016:
|  | Time-Vesting Restricted Stock Units |
|  | Number of Units |  | Weighted-Average Fair Value |
Non-vested at January 2, 2016 |  |  | 252,321 |  | $ | 23.36 |
Granted |  |  | 16,000 |  |  | 30.96 |
Vested |  |  | (83,570 | ) |  | 22.99 |
Forfeited |  |  | — |  |  | — |
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Non-vested at December 31, 2016 |  |  | 184,751 |  | $ | 24.18 |
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Summary of outstanding non-vested performance-vesting restricted stock units |
|  | Performance- Vesting Restricted Stock Units |
|  | Number of Units |
Non-vested at December 28, 2013 |  |  | 245,200 |
Granted |  |  | 153,518 |
Vested |  |  | (25,336 | )
Forfeited |  |  | (7,914 | )
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Non-vested at January 3, 2015 |  |  | 365,468 |
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Granted |  |  | 204,315 |
Vested |  |  | — |
Forfeited |  |  | (11,624 | )
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Non-vested at January 2, 2016 |  |  | 558,159 |
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Granted |  |  | 26,666 |
Vested |  |  | (90,485 | )
Forfeited |  |  | (83,187 | )
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Non-vested at December 31, 2016 |  |  | 411,153 |
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