Industry Segment Operations - Percentage by Customer (Details) - Sales Revenue	3 Months Ended
Jan. 26, 2020	Jan. 27, 2019
Entity-Wide Revenue, Major Customer [Line Items]
Percentage of net sales	100.00%	100.00%
Customer Concentration Risk \| Taiwan Semiconductor Manufacturing Company Limited
Entity-Wide Revenue, Major Customer [Line Items]
Percentage of net sales	29.00%
Customer Concentration Risk \| Samsung Electronics Co., Ltd.
Entity-Wide Revenue, Major Customer [Line Items]
Percentage of net sales	14.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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