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Acquisitions (Fair Value of Assets Acquired and Liabilities Assumed) (Details) - USD ($) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 31, 2021 | Oct. 31, 2021 | Jan. 31, 2022 | Mar. 02, 2021
Preliminary allocation of aggregate purchase price: |  |  |  |
Goodwill | $ 347,698,000 |  | $ 347,692,000 |
UHP |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Initial upfront payment |  | $ 23,979,000 |  | $ 23,979,000
Hold-back amount |  | 4,991,000 |  | 4,991,000
Contingent earn-out consideration |  | 8,500,000 |  | $ 8,500,000
Aggregate purchase price | $ 37,470,000 | 37,470,000 |  |
Preliminary allocation of aggregate purchase price: |  |  |  |
Cash and cash equivalents |  | 1,391,000 |  |
Current assets |  | 1,367,000 |  |
Property, plant and equipment |  | 10,000 |  |
Deferred tax assets |  | 310,000 |  |
Contract liabilities |  | (648,000) |  |
Accrued warranty obligations |  | (750,000) |  |
Other current liabilities |  | (1,175,000) |  |
Non-current liabilities |  | (160,000) |  |
Net tangible assets at preliminary fair value |  | 345,000 |  |
Deferred tax liabilities |  | (8,374,000) |  |
Goodwill |  | 13,899,000 |  |
Preliminary allocation of aggregate purchase price |  | 37,470,000 |  |
UHP | Technology |  |  |  |
Preliminary allocation of aggregate purchase price: |  |  |  |
Identifiable intangible assets |  | $ 15,300,000 |  |
Estimated Useful Lives |  | 15 years |  |
UHP | Customer relationships |  |  |  |
Preliminary allocation of aggregate purchase price: |  |  |  |
Identifiable intangible assets |  | $ 15,500,000 |  |
Estimated Useful Lives |  | 15 years |  |
UHP | Trade name |  |  |  |
Preliminary allocation of aggregate purchase price: |  |  |  |
Identifiable intangible assets |  | $ 800,000 |  |
Estimated Useful Lives |  | 20 years |  |

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