Annual report pursuant to Section 13 and 15(d)

Debt - Dividend (Details)

v3.8.0.1
Debt - Dividend (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2016
Dec. 28, 2017
Dec. 29, 2016
Dec. 31, 2015
Debt Instrument [Line Items]        
Total debt at par value   $ 193,500 $ 400,000  
Debt issuance costs   1,559 $ 10,546 $ 93
ABL Facility        
Debt Instrument [Line Items]        
Term loan face amount $ 200,000      
Loss on extinguishment of debt (162)      
Term Loan Facility        
Debt Instrument [Line Items]        
Total debt at par value 350,000 $ 152,500    
Debt issuance costs 10,347      
Prior Term Loan Facility And GCI Facility        
Debt Instrument [Line Items]        
Loss on extinguishment of debt $ (1,319)