Employee Benefit Plans - Schedule of Expected Benefit Payments (Details) $ in Thousands	Sep. 26, 2020 USD ($)
Pension Benefits [Member]
Projected Contributions and Benefit Payments by Fiscal Year [Abstract]
2021	$ 27,217
2022	9,193
2023	8,785
2024	7,809
2025	7,619
2026 through 2030	30,853
Retiree Health and Life Benefits [Member]
Projected Contributions and Benefit Payments by Fiscal Year [Abstract]
2021	843
2022	760
2023	680
2024	602
2025	529
2026 through 2030	$ 1,727

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- Definition

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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