Annual report pursuant to Section 13 and 15(d)

Debt - Repayment (Details)

v3.10.0.1
Debt - Repayment (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
May 02, 2017
Dec. 27, 2018
Dec. 28, 2017
Dec. 29, 2016
Sep. 14, 2018
May 29, 2018
Nov. 20, 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 $ 26.01     $ 37.250 $ 45.80 $ 36.00 $ 40.00
Net proceeds $ 192,000              
Payments on term loans 192,000 $ 3,500 $ 197,500 $ 98,334        
Loss on extinguishment of debt     $ 5,442 $ 1,813        
Term Loan Facility                
Debt Instrument [Line Items]                
Payments on term loans 192,000              
Loss on extinguishment of debt $ 5,400              
Class A Common Stock                
Debt Instrument [Line Items]                
Common stock, par value   $ 0.001 $ 0.001