Schedule I - Condensed Financial Information of Registrant (Details) - Parent Company Balance Sheets (Parentheticals) (USD $)
Dec. 28, 2014
Dec. 29, 2013
Condensed Balance Sheet Statements, Captions [Line Items]    
Common stock, par value (in Dollars per share) $ 0.001  
Common stock, shares issued 62,585,032  
Common stock, shares outstanding 62,585,032  
Preferred stock, par value (in Dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common Class A [Member] | Parent Company [Member]    
Condensed Balance Sheet Statements, Captions [Line Items]    
Common stock, par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 62,585,032 58,882,949
Common stock, shares outstanding 62,585,032 58,882,949
Common Class A [Member]    
Condensed Balance Sheet Statements, Captions [Line Items]    
Common stock, par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 62,585,032 58,882,949
Common stock, shares outstanding 62,585,032 58,882,949
Common Class B [Member] | Parent Company [Member]    
Condensed Balance Sheet Statements, Captions [Line Items]    
Common stock, par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 1 1
Common stock, shares issued 0 1
Common stock, shares outstanding 0 1
Common Class B [Member]    
Condensed Balance Sheet Statements, Captions [Line Items]    
Common stock, par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 1 1
Common stock, shares issued 0 1
Common stock, shares outstanding 0 1
Parent Company [Member]    
Condensed Balance Sheet Statements, Captions [Line Items]    
Preferred stock, par value (in Dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0