Retirement Plans (Effect of Change in Assumed Health Care Cost Trend Rate) (Details) $ in Thousands	12 Months Ended
Oct. 03, 2021 USD ($)
Retirement Benefits [Abstract]
Total interest and service cost, 1% Point Increase	$ 53
Total interest and service cost, 1% Point Decrease	(46)
Postretirement benefit obligation, 1% Point Increase	1,604
Postretirement benefit obligation, 1% Point Decrease	$ (1,405)

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- Definition

Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (m)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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- Definition

Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate.

+ References

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- Definition

Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.

+ References

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- Definition

Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate.

+ References

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