Net Income Per Share Net Income Per Share (Tables)

9 Months Ended

Sep. 27, 2017

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income per Share

Below are basic and diluted net (loss) income per share data for the periods indicated, which are in thousands except for per share data.  

	Thirteen Weeks Ended						Thirty-Nine Weeks Ended
	September 27, 2017				September 28, 2016		September 27, 2017		September 28, 2016
Numerator:
Net (loss) income	$	(4,039	)		$	5,211	$	8,657	$	17,921
Denominator:
Weighted-average shares    outstanding—basic	38,462,100				38,415,189		38,449,453		38,331,400
Weighted-average shares    outstanding—diluted	38,462,100			(a)	39,083,577		39,101,214		39,020,127
Net (loss) income per share—basic	$	(0.11	)		$	0.14	$	0.23	$	0.47
Net (loss) income per share—diluted	$	(0.11	)		$	0.13	$	0.22	$	0.46
Anti-dilutive securities not considered in    diluted EPS calculation	2,490,029				451,325		749,421		451,325

Schedule of Reconciliation of Basic and Diluted Share Counts

Below is a reconciliation of basic and diluted share counts.

	Thirteen Weeks Ended			Thirty-Nine Weeks Ended
	September 27, 2017		September 28, 2016	September 27, 2017	September 28, 2016
Weighted-average shares outstanding—    basic	38,462,100		38,415,189	38,449,453	38,331,400
Dilutive effect of stock options and    restricted shares	—	(a)	668,388	651,761	688,727
Weighted-average shares outstanding—    diluted	38,462,100		39,083,577	39,101,214	39,020,127