Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.7.0.1
Debt (Details) - USD ($)
$ in Thousands
Mar. 30, 2017
Dec. 29, 2016
Debt Instrument [Line Items]    
Total debt at par value $ 363,625 $ 400,000
Less: unamortized discount and debt issuance costs 8,915 9,257
Net carrying amount 354,710 390,743
Level 3    
Debt Instrument [Line Items]    
Fair value $ 365,371 $ 400,000