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Share-Based Compensation - Options Outstanding and Exercisable (Details) - 2006 Incentive Plan - Options - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Options Outstanding |  |  |
Number Outstanding (in shares) | 945,083 |  |
Weighted-Average Remaining Contractual Life (years) | 4 years 1 month 2 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 22.95 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 577,963 |  |
Weighted-Average Remaining Contractual Life (years) | 3 years 3 months 4 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 22.18 |  |
Options, Number of Shares |  |  |
Non-vested balance at the beginning of the period (in shares) | 505,264 |  |
Granted (in shares) | 32,000 |  |
Vested (in shares) | (170,144) |  |
Non-vested balance at the end of the period (in shares) | 367,120 | 505,264 |
Options, Weighted-Average Fair Value |  |  |
Non-vested balance at the beginning of the period (in dollars per share) | $ 8.75 |  |
Granted (in dollars per share) | 9.93 | $ 7.37 | $ 12.24
Vested (in dollars per share) | 8.74 |  |
Non-vested balance at the end of the period (in dollars per share) | 8.86 | $ 8.75 |
$16.12 - 21.48 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | 16.12 |  |
Exercise price, high end of range (in dollars per share) | $ 21.48 |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 324,259 |  |
Weighted-Average Remaining Contractual Life (years) | 3 years 1 month 21 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 19.20 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 263,086 |  |
Weighted-Average Remaining Contractual Life (years) | 2 years 11 months 19 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 19.36 |  |
$21.49 - 26.86 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | 21.49 |  |
Exercise price, high end of range (in dollars per share) | $ 26.86 |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 408,809 |  |
Weighted-Average Remaining Contractual Life (years) | 4 years 3 months 4 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 21.75 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 224,890 |  |
Weighted-Average Remaining Contractual Life (years) | 2 years 11 months 9 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 21.94 |  |
$26.87 - 32.23 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | 26.87 |  |
Exercise price, high end of range (in dollars per share) | $ 32.23 |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 212,015 |  |
Weighted-Average Remaining Contractual Life (years) | 5 years 2 months 12 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 30.98 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 89,987 |  |
Weighted-Average Remaining Contractual Life (years) | 4 years 10 months 21 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 30.98 |  |

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