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Intangible Assets (Intangible Assets with Finite Lives) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2024 | Oct. 31, 2023 | Apr. 30, 2024 | Jul. 31, 2024
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Carrying Amount | $ 432,233,000 |  |  | $ 448,133,000
Accumulated Amortization | 243,998,000 |  |  | 253,305,000
Net Carrying Amount | 188,235,000 |  |  | 194,828,000
Amortization of intangibles | 6,593,000 | $ 5,289,000 |  |
CGC Technology Limited |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization of intangibles | $ 1,343,000 |  |  |
Customer relationships |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Amortization Period | 20 years 2 months 12 days |  | 20 years 2 months 12 days |
Gross Carrying Amount | $ 294,258,000 |  |  | 302,058,000
Accumulated Amortization | 138,168,000 |  |  | 141,601,000
Net Carrying Amount | $ 156,090,000 |  |  | 160,457,000
Technologies |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Amortization Period | 13 years 7 months 6 days |  | 14 years 9 months 18 days |
Gross Carrying Amount | $ 106,149,000 |  |  | 113,149,000
Accumulated Amortization | 82,516,000 |  |  | 87,809,000
Net Carrying Amount | $ 23,633,000 |  |  | 25,340,000
Trademarks and other |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Amortization Period | 16 years 10 months 24 days |  | 16 years 8 months 12 days |
Gross Carrying Amount | $ 31,826,000 |  |  | 32,926,000
Accumulated Amortization | 23,314,000 |  |  | 23,895,000
Net Carrying Amount | $ 8,512,000 |  |  | $ 9,031,000

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478859/928-340-50-1 + Details
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