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Related Parties (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 28, 2014
Oct. 01, 2014
Related Party Transaction [Line Items]      
Long-term Debt $ 3,479,023 $ 3,494,985  
Principal Owner | HWW | Minimum | Oaktree Group      
Related Party Transaction [Line Items]      
Investment ownership, percentage     10.00%
Principal Owner | HWW | Maximum | Oaktree Group      
Related Party Transaction [Line Items]      
Investment ownership, percentage     15.00%
Equity Funds | Principal Owner      
Related Party Transaction [Line Items]      
Fair value of investment in loan fund limited partnership 30,000 31,000  
Long-term Debt $ 38,000 $ 56,000