STOCK PLANS (Tables)

6 Months Ended

Jun. 25, 2017

STOCK PLANS

Summary of the restricted stock units ("RSUs") activity

		Weighted
		Average Grant
		Date Fair
		Value
Nonvested — December 25, 2016	204,145	$	18.17
Granted	196,905	$	10.74
Vested	(129,746)	$	20.09
Forfeited	(450)	$	19.40
Nonvested — June 25, 2017	270,854	$	11.84

Summary of the stock appreciation rights ("SARs") activity

The following table summarizes the stock appreciation rights (“SARs”) activity during the six months ended June 25, 2017: 

		Weighted		Aggregate
		Average		Intrinsic Value
	SARs	Exercise Price		(in thousands)
Outstanding December 25, 2016	292,750	$	50.29	$	—
Expired	(72,450)	$	41.73
Outstanding June 25, 2017	220,300	$	53.10	$	—

Summary of stock-based compensation expense

	Quarters Ended				Six Months Ended
	June 25,		June 26,		June 25,		June 26,
(in thousands)	2017		2016		2017		2016
Stock-based compensation expense	$	432	$	383	$	1,461	$	1,757