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Stock-Based Compensation (RSU Activity) (Details) - Restricted Stock Units (RSUs) [Member]
3 Months Ended
Apr. 01, 2017
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Unvested, Beginning balance (shares) | shares 82,964
Granted (shares) | shares 0
Vested (shares) | shares 0
Forfeited (shares) | shares (1,875)
Unvested, Ending balance (shares) | shares 81,089
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Weighted Average Grant Date Fair Value, Beginning balance (dollars per share) | $ / shares $ 16.28
Weighted Average Grant Date Fair Value, Granted (dollars per share) | $ / shares 0.00
Weighted Average Grant Date Fair Value, Vested (dollars per share) | $ / shares 0.00
Weighted Average Grant Date Fair Value, Forfeited (dollars per share) | $ / shares 18.03
Weighted Average Grant Date Fair Value, Ending balance (dollars per share) | $ / shares $ 16.24