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Share-Based Compensation - Options Outstanding and Exercisable (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Jan. 02, 2016 | Jan. 03, 2015 | Dec. 28, 2013
Options Outstanding |  |  |
Number Outstanding (in shares) | 1,206,778 |  |
Weighted-Average Remaining Contractual Life | 3 years 11 months 23 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 26.36 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 701,514 |  |
Weighted-Average Exercise Price (in dollars per share) | $ 28.53 |  |
Weighted-Average Remaining Contractual Life | 2 years 5 months 12 days |  |
Non-vested Options, Number of Shares |  |  |
Balance at the beginning of the period (in shares) | 417,185 |  |
Granted (in shares) | 250,835 |  |
Vested (in shares) | (156,737) |  |
Forfeited (in shares) | (6,019) |  |
Balance at the end of the period (in shares) | 505,264 | 417,185 |
Non-vested Options, Weighted-Average Fair Value |  |  |
Balance at the beginning of the period (in dollars per share) | $ 9.98 |  |
Granted (in dollars per share) | 7.48 |  |
Vested (in dollars per share) | 9.57 |  |
Forfeited (in dollars per share) | 11.61 |  |
Balance at the end of the period (in dollars per share) | $ 8.75 | $ 9.98 |
Options |  |  |
Options Exercisable |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | $ 1.5 | $ 1.4 | $ 1.3
Non-vested Options, Weighted-Average Fair Value |  |  |
Granted (in dollars per share) |  | $ 12.24 | $ 7.77
$18.48 |  |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 244,625 |  |
Weighted-Average Remaining Contractual Life | 4 years 10 months 17 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 18.48 | $ 18.48 |
Options Exercisable |  |  |
Number Exercisable (in shares) | 122,296 |  |
Weighted-Average Exercise Price (in dollars per share) | $ 18.48 |  |
Weighted-Average Remaining Contractual Life | 4 years 10 months 17 days |  |
$18.49 - 22.81 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | $ 18.49 |  |
Exercise price, high end of range (in dollars per share) | $ 22.81 |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 539,238 |  |
Weighted-Average Remaining Contractual Life | 4 years 5 months 5 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 21.61 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 294,029 |  |
Weighted-Average Exercise Price (in dollars per share) | $ 21.68 |  |
Weighted-Average Remaining Contractual Life | 2 years 4 months 28 days |  |
$22.82 - 29.07 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | $ 22.82 |  |
Exercise price, high end of range (in dollars per share) | $ 29.07 |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 80,400 |  |
Weighted-Average Remaining Contractual Life | 1 year 7 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 24.23 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 78,400 |  |
Weighted-Average Exercise Price (in dollars per share) | $ 24.21 |  |
Weighted-Average Remaining Contractual Life | 11 months 12 days |  |
$29.08 - 32.26 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | $ 29.08 |  |
Exercise price, high end of range (in dollars per share) | $ 32.26 |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 180,015 |  |
Weighted-Average Remaining Contractual Life | 5 years 10 months 24 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 30.98 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 44,289 |  |
Weighted-Average Exercise Price (in dollars per share) | $ 30.97 |  |
Weighted-Average Remaining Contractual Life | 5 years 10 months 20 days |  |
$32.27 - 48.85 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | $ 32.27 |  |
Exercise price, high end of range (in dollars per share) | $ 48.85 |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 12,500 |  |
Weighted-Average Remaining Contractual Life | 26 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 48.85 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 12,500 |  |
Weighted-Average Exercise Price (in dollars per share) | $ 48.85 |  |
Weighted-Average Remaining Contractual Life | 25 days |  |
$48.86 - 50.00 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | $ 48.86 |  |
Exercise price, high end of range (in dollars per share) | $ 50.00 |  |
Options Outstanding |  |  |
Number Outstanding (in shares) | 150,000 |  |
Weighted-Average Remaining Contractual Life | 6 months 4 days |  |
Weighted-Average Exercise Price (in dollars per share) | $ 50.00 |  |
Options Exercisable |  |  |
Number Exercisable (in shares) | 150,000 |  |
Weighted-Average Exercise Price (in dollars per share) | $ 50.00 |  |
Weighted-Average Remaining Contractual Life | 6 months 4 days |  |
$50.01 - 53.72 |  |  |
Share-based compensation |  |  |
Exercise price, low end of range (in dollars per share) | $ 50.01 |  |
Exercise price, high end of range (in dollars per share) | $ 53.72 |  |
$50.01 - 53.72 |  |  |
Options Exercisable |  |  |
Weighted-Average Remaining Contractual Life | 0 days |  |

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