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EMPLOYEE BENEFIT PLANS - Projected Benefit Obligation and Fair Value of Plan Assets for Pension Plans with Projected Benefit Obligations in Excess of Plan Assets (Details) - USD ($) $ in Thousands | Dec. 29, 2018 | Dec. 30, 2017
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Retirement Benefits [Abstract] |  |
Projected benefit obligation | $ 273,625 | $ 381,960
Fair value of plan assets | $ 213,249 | $ 292,152

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