Annual report pursuant to Section 13 and 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 26, 2019
Dec. 27, 2018
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 101,457,858 97,588,539
Common stock, shares outstanding 101,457,858 97,588,539
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