Net Income (Loss) Per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Reconciliation of the basic and diluted net income per share computations
Weighted average common shares outstanding used in basic net income (loss) per share calculation	24,059	23,958	23,290
Potential dilutive common stock equivalents, using treasury stock method	316	0	0
Weighted average shares used in diluted net income (loss) per share calculation	24,375	23,958	23,290
Net Income Per Share (Textual) [Abstract]
Weighted average common share equivalents consisting of stock options included in the calculation of diluted net income per share	316	0	0
Anti-dilutive common stock equivalents excluded from calculation		400	400