Stock-Based Compensation (Notes)

6 Months Ended

Jul. 01, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-based compensation expense for three months ended July 1, 2018 and July 2, 2017 was $1.4 million and $0.9 million, respectively and was $3.0 million and $1.8 million for the six months ended July 1, 2018 and July 2, 2017, respectively.

A summary of all non-vested shares activity for the six months ended July 1, 2018 was as follows:



	Shares		Weighted Average Grant Date Price
Non-vested at December 31, 2017	722,459		$	12.76
Granted	380,192		13.25
Vested	(286,586	)	12.48
Non-vested at July 1, 2018	816,065		$	13.09

The fair value of non-vested shares is based on the closing price on the date of grant. As of July 1, 2018, the total non-vested unrecognized stock-based compensation expense was approximately $8.5 million and the remaining weighted average vesting period for non-vested shares was 1.9 years. The Company expects to record an additional $2.4 million in stock-based compensation expense related to the vesting of these awards for the remainder of 2018.