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Stock-Based Compensation
6 Months Ended
Jul. 04, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock-Based Compensation
Stock-Based Compensation

The Company recognized stock-based compensation expense of $1,653,000 and $1,416,000 in the second quarters of 2015 and 2014, respectively, and $3,241,000 and $2,811,000 in the first six months of 2015 and 2014, respectively, within selling, general, and administrative (SG&A) expenses in the accompanying condensed consolidated statement of income. The Company recognizes compensation cost for all stock-based awards granted to employees and directors based on the grant date estimate of fair value for those awards. The fair value of restricted stock units (RSUs) is based on the grant date trading price of the Company's common stock, reduced by the present value of estimated dividends foregone during the requisite service period. For time-based RSUs, compensation expense is recognized ratably over the requisite service period for the entire award net of forfeitures. For performance-based RSUs, compensation expense is recognized ratably over the requisite service period for each separately vesting portion of the award net of forfeitures and remeasured at each reporting period until the total number of RSUs to be issued is known. Unrecognized compensation expense related to stock-based compensation totaled approximately $6,229,000 at July 4, 2015, and will be recognized over a weighted average period of 1.8 years.