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STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 27, 2014

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

Schedule of stock-based compensation expense

Stock-based compensation expense was as follows (in thousands):



	Thirteen weeks ended				Twenty-six weeks ended
	June 27, 2014		June 28, 2013		June 27, 2014		June 28, 2013
Restricted and unrestricted stock and performance share units	$	1,822	$	1,642	$	4,771	$	4,461
Stock options	—		—		54		—
Employee stock purchase plan	75		72		162		133
Total stock-based compensation	$	1,897	$	1,714	$	4,987	$	4,594

Schedule of restricted and unrestricted stock and performance share units activity

Restricted and unrestricted stock and performance share units activity for the twenty-six weeks ended June 27, 2014 was as follows (shares in thousands):



	Shares		Weighted- average grant-date price
Non-vested at beginning of period	1,544		$	16.66
Granted	362		$	25.27
Vested	(372	)	$	17.75
Forfeited	(17	)	$	18.29
Non-vested at the end of the period	1,517		$	18.42

Schedule of stock option activity

Stock option activity for the twenty-six weeks ended June 27, 2014 was as follows:



	Shares (in thousands)		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value (in thousands)
Outstanding at beginning of period	74		$	14.99
Granted	7		$	25.26
Exercised	(42	)	$	14.98
Expired/Forfeited	(1	)	$	18.98
Outstanding at end of period	38		$	16.67	2.73	$	412
Exercisable at end of period	38		$	16.67	2.73	$	412

Schedule of summary of the weighted average assumptions and results for stock options granted

A summary of the weighted average assumptions and results for stock options granted during the twenty-six weeks ended June 27, 2014 is as follows:



	June 27, 2014
Expected life (in years)	3.72
Expected volatility	42.8		%
Risk-free interest rate	0.7		%
Expected dividend yield	—		%
Weighted average fair value of options granted during the period	$	8.31