| Goodwill [Table Text Block] |
Changes in the carrying amount of goodwill by operating segment for the six months ended April 30, 2026 are as follows (in thousands): | | | | | | | | | | | | | | | | | | | Segment | | Consolidated Totals | | FSG | | ETG | | | Balances as of October 31, 2025 | $1,997,178 | | | $1,664,446 | | | $3,661,624 | | | Goodwill acquired | 232,991 | | | 309,387 | | | 542,378 | | | Foreign currency translation adjustments | 499 | | | 801 | | | 1,300 | | | Adjustments to goodwill | 200 | | | (8,116) | | | (7,916) | | | Balances as of April 30, 2026 | $2,230,868 | | | $1,966,518 | | | $4,197,386 | |
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| Schedule Of Identifiable Intangible Assets [Table Text Block] |
Identifiable intangible assets consist of the following (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of April 30, 2026 | | As of October 31, 2025 | | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Amortizing Assets: | | | | | | | | | | | | | | Customer relationships | | $1,309,393 | | | ($427,303) | | | $882,090 | | | $1,131,443 | | | ($373,100) | | | $758,343 | | | Intellectual property | | 661,877 | | | (176,071) | | | 485,806 | | | 540,836 | | | (153,783) | | | 387,053 | | | Other | | 5,249 | | | (4,819) | | | 430 | | | 8,651 | | | (8,127) | | | 524 | | | | 1,976,519 | | | (608,193) | | | 1,368,326 | | | 1,680,930 | | | (535,010) | | | 1,145,920 | | | Non-Amortizing Assets: | | | | | | | | | | | | | | Trade names | | 346,831 | | | — | | | 346,831 | | | 325,520 | | | — | | | 325,520 | | | | $2,323,350 | | | ($608,193) | | | $1,715,157 | | | $2,006,450 | | | ($535,010) | | | $1,471,440 | |
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