Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Narrative)(Details)

v3.3.1.900
Stockholders' Equity (Narrative)(Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 29, 2013
Class of Stock [Line Items]      
Secondary offering costs $ 0 $ 0 $ 925