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Other Current Liabilities (Details) - USD ($)
$ in Thousands
Mar. 30, 2016
Dec. 30, 2015
Other Liabilities, Current [Abstract]    
Accrued salaries and vacation $ 16,595 $ 30,549
Accrued insurance, primarily current portion of liability for insurance claims 7,067 7,076
Accrued taxes 7,038 7,311
Accrued advertising 6,098 7,737
Accrued pension 9,753 9,648
Other 13,707 15,227
Other current liabilities $ 60,258 $ 77,548