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Retirement, Pension and Other Postretirement Plans - Fair Values of Pension Plan Assets (Detail) - Pension Plans - USD ($) | Oct. 31, 2022 | Apr. 30, 2022 | Oct. 31, 2021 | Oct. 31, 2020
--- | --- | --- | --- | ---
UNITED STATES |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | $ 333,851,000 | $ 171,181 | $ 639,589,000 | $ 510,250,000
UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 152,752,000 |  | 377,536,000 |
UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 11,431,000 |  | 87,534,000 |
UNITED STATES | Level 2 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 141,321,000 |  | 290,002,000 |
International |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 38,316,000 |  | 47,274,000 | 45,476,000
International | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 18,841,000 |  | 24,512,000 |
International | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 775,000 |  | 519,000 |
International | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 18,066,000 |  | 23,993,000 |
Cash | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 381,000 |  | 1,467,000 |
Cash | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 381,000 |  | 1,467,000 |
Cash | International | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 775,000 |  | 519,000 |
Cash | International | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 775,000 |  | 519,000 |
Money market funds | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 155,000 |  | 4,495,000 |
Money market funds | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 155,000 |  | 4,495,000 |
Basic materials | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 719,000 |  | 2,038,000 |
Basic materials | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 719,000 |  | 2,038,000 |
Consumer goods | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,802,000 |  | 4,360,000 |
Consumer goods | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,802,000 |  | 4,360,000 |
Financial | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,489,000 |  | 3,753,000 |
Financial | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,489,000 |  | 3,753,000 |
Healthcare | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,801,000 |  | 4,864,000 |
Healthcare | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,801,000 |  | 4,864,000 |
Industrial goods | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,713,000 |  | 3,640,000 |
Industrial goods | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,713,000 |  | 3,640,000 |
Technology | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,569,000 |  | 5,080,000 |
Technology | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,569,000 |  | 5,080,000 |
Mutual funds | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets |  |  | 52,319,000 |
Mutual funds | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets |  |  | 52,319,000 |
U.S. Government | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 29,252,000 |  | 89,614,000 |
U.S. Government | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 328,000 |  | 4,024,000 |
U.S. Government | UNITED STATES | Level 2 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 28,924,000 |  | 85,590,000 |
Corporate | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 109,433,000 |  | 194,793,000 |
Corporate | UNITED STATES | Level 2 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 109,433,000 |  | 194,793,000 |
Other | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 2,964,000 |  | 9,619,000 |
Other | UNITED STATES | Level 2 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 2,964,000 |  | 9,619,000 |
Insurance contracts | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 18,066,000 |  | 23,993,000 | $ 24,496,000
Insurance contracts | International | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 18,066,000 |  | 23,993,000 |
Insurance contracts | International | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 18,066,000 |  | 23,993,000 |
Other | UNITED STATES | Total |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,474,000 |  | 1,494,000 |
Other | UNITED STATES | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,474,000 |  | 1,494,000 |
Real estate collective funds | UNITED STATES | Investments Measured at Net Asset Value |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 51,961,000 |  | 44,056,000 |
Pooled investment funds | UNITED STATES | Investments Measured at Net Asset Value |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 129,138,000 |  | 217,997,000 |
Pooled investment funds | International | Investments Measured at Net Asset Value |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | $ 19,475,000 |  | $ 22,762,000 |

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