Note 8 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Apr. 30, 2020 |
Oct. 31, 2019 |
|
| Impairments | $ (5,000) | |
| Accumulated amortization | (49,513) | $ (32,366) |
| CTA | 79 | (69) |
| Net carrying amount | 149,101 | |
| Gross carrying value | 254,035 | 254,728 |
| Net carrying amount | 199,601 | 222,293 |
| Trade Names, Indefinite-lived [Member] | ||
| Impairments | (5,000) | |
| Net carrying amount | 4,944 | |
| Gross carrying value, indefinite | 55,500 | 55,500 |
| Net carrying amount, indefinite | 50,500 | 55,500 |
| Customer Relationships [Member] | ||
| Gross carrying value | 193,042 | 193,594 |
| Impairments | ||
| Accumulated amortization | (48,719) | (31,861) |
| CTA | 70 | (62) |
| Net carrying amount | 144,393 | 161,671 |
| Trade Names [Member] | ||
| Gross carrying value | 5,293 | 5,434 |
| Impairments | ||
| Accumulated amortization | (752) | (483) |
| CTA | 9 | (7) |
| Net carrying amount | 4,550 | |
| Noncompete Agreements [Member] | ||
| Gross carrying value | 200 | 200 |
| Impairments | ||
| Accumulated amortization | (42) | (22) |
| CTA | ||
| Net carrying amount | $ 158 | $ 178 |
| X | ||||||||||
- Definition The amount of accumulated impairment loss as of the balance sheet date resulting from the write-down of the carrying amount of an intangible asset. No definition available.
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| X | ||||||||||
- Definition Amount before impairment charges of all intangible assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. No definition available.
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| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments and purchase accounting adjustments. No definition available.
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| X | ||||||||||
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. No definition available.
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| X | ||||||||||
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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