General form of registration statement for all companies including face-amount certificate companies

SCHEDULE I - Parent Company Information - Condensed Balance Sheets - Additional Information (Details)

v3.8.0.1
SCHEDULE I - Parent Company Information - Condensed Balance Sheets - Additional Information (Details) - $ / shares
Sep. 28, 2017
May 02, 2017
Dec. 29, 2016
Dec. 31, 2015
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]        
Preferred stock, par value $ 0.001   $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000   10,000,000 10,000,000
Preferred stock, shares issued 0   0 0
Preferred stock, shares outstanding 0   0 0
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]        
Common stock, par value   $ 0.001    
Class A Common Stock        
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]        
Common stock, par value $ 0.001   $ 0.001 $ 0.001
Common stock, shares authorized 450,000,000   450,000,000 450,000,000
Common stock, shares issued 94,685,169   76,847,116 76,847,116
Common stock, shares outstanding 94,685,169   76,847,116 76,847,116
Class B Common Stock        
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]        
Common stock, par value $ 0.001   $ 0.001 $ 0.001
Common stock, shares authorized 10,000,000   10,000,000 10,000,000
Common stock, shares issued 0   395,742 250,602
Common stock, shares outstanding 0   395,742 250,602
Class C Common Stock        
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]        
Common stock, par value $ 0.001   $ 0.001 $ 0.001
Common stock, shares authorized 30,000,000   30,000,000 30,000,000
Common stock, shares issued 0   6,275,489 6,275,489
Common stock, shares outstanding 0   6,275,489 6,275,489
Parent Company [Member]        
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
Parent Company [Member] | 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     76,847,116 76,847,116
Common stock, shares outstanding     76,847,116 76,847,116
Parent Company [Member] | 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     395,742 250,602
Common stock, shares outstanding     395,742 250,602
Parent Company [Member] | 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     6,275,489 6,275,489
Common stock, shares outstanding     6,275,489 6,275,489