Annual report pursuant to Section 13 and 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.10.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 27, 2018
Dec. 28, 2017
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Class A Common Stock    
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 450,000,000 450,000,000
Common stock, shares issued 97,588,539 95,509,179
Common stock, shares outstanding 97,588,539 95,509,179
Class B Common Stock    
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 0 0
Common stock, shares outstanding 0 0
Class C Common Stock    
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 0 0
Common stock, shares outstanding 0 0