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EMPLOYEE BENEFIT PLANS (Components of Net Periodic Postretirement Benefit Cost) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 25, 2017
Net periodic postretirement benefit cost: |  |
Service cost | $ 34 | $ 30
Interest cost | 44 | 38
Amortization of prior service cost | 1 | 25
Net periodic postretirement benefit cost | 79 | 93
Benefit obligations recognized in other comprehensive income: |  |
Amortization of prior service cost | (1) | (25)
Net gain (loss) | 4 | 95
Benefit obligations recognized in other comprehensive income | 3 | 70
Total recognized in net periodic benefit cost and other comprehensive income | 82 | 163
Amount recognized in accumulated other comprehensive income, at end of fiscal year: |  |
Unrecognized prior service cost | $ 235 | $ 233

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