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v3.21.2

Accounting Policies - Narrative (Details) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jul. 31, 2021 USD ($) | Oct. 31, 2021 USD ($) business_unit shares | Oct. 31, 2020 USD ($) shares | Oct. 31, 2019 USD ($) | Oct. 31, 2018 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |
Number of business units | business_unit |  | 2 |  |  |
Refund liability for product returns |  | $ 13,700,000 | $ 10,000,000 |  |
Goodwill impairment | $ 0 | 0 | 0 |  |
Cumulative-effect adjustment upon adoption of accounting standards update |  | (6,942,000,000) | (3,824,800,000) | $ (3,628,600,000) | $ (3,307,800,000)
Net foreign exchange loss |  | 5,500,000 | 1,200,000 | 2,200,000 |
Interest capitalized included in construction in progress |  | $ 7,800,000 | $ 5,300,000 |  |
Treasury stock (in shares) | shares |  | 4,400,000 | 4,300,000 |  |
Treasury stock repurchase (in shares) | shares |  | 69,622 | 160,850 |  |
Retained Earnings |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Cumulative-effect adjustment upon adoption of accounting standards update |  | $ (6,202,100,000) | $ (3,261,800,000) | $ (3,026,400,000) | (2,576,000,000)
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Cumulative-effect adjustment upon adoption of accounting standards update |  |  | 1,400,000 |  | 13,300,000
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Cumulative-effect adjustment upon adoption of accounting standards update |  |  | $ 1,400,000 |  | $ 13,300,000
Minimum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Capitalized contract cost, amortization period (or less) |  | 1 year |  |  |
Minimum | Building |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, plant and equipment, useful life |  | 30 years |  |  |
Minimum | Machinery and equipment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, plant and equipment, useful life |  | 3 years |  |  |
Maximum | Building |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, plant and equipment, useful life |  | 40 years |  |  |
Maximum | Machinery and equipment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, plant and equipment, useful life |  | 15 years |  |  |

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