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PENSION PLANS - Estimated Future Benefit Payments (Details)
$ in Thousands
Jul. 29, 2017
USD ($)
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]  
2016 $ 3,670
2017 2,530
2018 3,130
2019 3,101
2020 12,750
2021-2025 $ 17,830