XML 83 R66.htm IDEA: XBRL DOCUMENT v3.6.0.2
Equity (Narrative) (Details)
12 Months Ended
Dec. 29, 2016
item
$ / shares
shares
Dec. 31, 2015
$ / shares
shares
Class of Stock [Line Items]    
Common stock, shares authorized 175,000,000 175,000,000
Common stock, par value | $ / shares $ 0.01 $ 0.01
Common stock, shares issued 59,874,412 59,239,154
Common stock, shares outstanding 59,874,412 59,239,154
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, par value | $ / shares $ 0.01 $ 0.01
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Number of votes per common share | item 1  
NCM, LLC. [Member] | Founding Members [Member]    
Class of Stock [Line Items]    
Term of advertising services 30 years