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EMPLOYEE BENEFITS (Pension Plan Assets Measured At Fair Value) (Details) - USD ($) $ in Thousands | Sep. 28, 2018 | Sep. 29, 2017 | Sep. 30, 2016
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | $ 25,971 | $ 20,802 | $ 17,793
Level 1 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 25,919 | 20,722 |
Level 2 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 0 | 0 |
Level 3 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 52 | 80 | $ 113
Mutual funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 25,588 | 20,207 |
Mutual funds | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 25,588 | 20,207 |
Mutual funds | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 0 | 0 |
Mutual funds | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 0 | 0 |
Money market funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 331 | 515 |
Money market funds | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 331 | 515 |
Money market funds | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 0 | 0 |
Money market funds | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 0 | 0 |
Group annuity contract |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 52 | 80 |
Group annuity contract | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 0 | 0 |
Group annuity contract | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | 0 | 0 |
Group annuity contract | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plan assets measured at fair value | $ 52 | $ 80 |

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