XML 82 R61.htm IDEA: XBRL DOCUMENT v3.8.0.1
Preferred Stock (Details)
Dec. 26, 2017
item
shares
Dec. 27, 2016
shares
Preferred Stock    
Number of preferred stock shares authorized to issue 1,000,000 1,000,000
Minimum number of series of preferred stock authorized | item 1  
Number of shares of preferred stock outstanding 0 0