Annual report pursuant to Section 13 and 15(d)

Debt - Repayment (Details)

v3.8.0.1
Debt - Repayment (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
May 02, 2017
Dec. 28, 2017
Dec. 29, 2016
Dec. 31, 2015
Nov. 16, 2017
Jul. 25, 2017
Debt Instrument [Line Items]            
Number of shares issued 10,147,025          
Common stock, par value $ 0.001          
Share price $ 21.00 $ 49.59     $ 36.00 $ 40.00
Net proceeds $ 192,000          
Payments on term loans $ 192,000 $ 197,500 $ 98,334 $ 1,667    
Loss on extinguishment of debt   $ 5,442 $ 1,813      
Class A Common Stock            
Debt Instrument [Line Items]            
Common stock, par value   $ 0.001 $ 0.001