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Other Noncurrent Liabilities (Details) - USD ($) $ in Thousands | Dec. 30, 2017 | Dec. 31, 2016
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OTHER NONCURRENT LIABILITIES [Abstract] |  |
Accrued pension liability (Note 15) | $ 52,771 | $ 53,152
Reserve for self insurance, litigation, environmental and tax matters (Note 19) | 51,903 | 41,251
Other | 1,613 | 1,711
Total other noncurrent liabilities | $ 106,287 | $ 96,114

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