Employee Benefits Employee Benefits - Narratives (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 25, 2020	Oct. 26, 2019
Schedule of Compensation Related Costs [Line Items]
Refund for overpaid benefit obligations		$ 1.9
Non-cash gain due to change in employee vacation policy	$ 5.1
Cost of Sales
Schedule of Compensation Related Costs [Line Items]
Non-cash gain due to change in employee vacation policy	1.3
Incremental expense due to change in employee vacation policy	$ 0.3

The increase (decrease) in expense recognized due to changes in the employee vacation policy.

No definition available.

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- Definition

The non-cash gain recognized due to a change in the employee vacation policy.

+ References

No definition available.

+ Details

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- Definition

[Line Items] for Schedule of Compensation Related Costs [Table]

+ References

No definition available.

+ Details

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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.

+ 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 (h)(7)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)(7)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920

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