Annual report pursuant to Section 13 and 15(d)

Debt - Fair Value of Debt (Details)

v3.8.0.1
Debt - Fair Value of Debt (Details) - USD ($)
$ in Thousands
Dec. 28, 2017
Dec. 29, 2016
Debt Instrument [Line Items]    
Total debt at par value $ 193,500 $ 400,000
Less: unamortized discount and debt issuance costs 4,438 9,257
Net carrying amount 189,062 390,743
Level 3    
Debt Instrument [Line Items]    
Fair value $ 193,881 $ 400,000