PENSION PLANS - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 9 Months Ended | ||
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Dec. 26, 2020 |
Dec. 28, 2019 |
Sep. 26, 2020 |
Dec. 26, 2020 |
Dec. 28, 2019 |
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| Defined Benefit Plan Disclosure [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý |
| Defined benefit pension plan contributed | Ìý | Ìý | Ìý | $ 7,300 | Ìý |
| Defined benefit pension plan additional contributions to make next fiscal year | $ 11,500 | Ìý | Ìý | 11,500 | Ìý |
| Settlement charges | 544 | $ 24,943 | Ìý | 1,116 | $ 25,462 |
| Supplemental defined benefit pension plan | Ìý | Ìý | Ìý | Ìý | Ìý |
| Defined Benefit Plan Disclosure [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý |
| Settlement charges | $ 500 | 2,000 | Ìý | $ 1,100 | $ 2,500 |
| Discount rate | Ìý | Ìý | 2.87% | 2.62% | Ìý |
| Qualified defined benefit pension plan | Ìý | Ìý | Ìý | Ìý | Ìý |
| Defined Benefit Plan Disclosure [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý |
| Settlement charges | Ìý | $ 22,900 | Ìý | Ìý | Ìý |
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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