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Pension and Other Postretirement Plans - Net Periodic Benefit Cost (Detail) - Pension Plans [Member] - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
United States [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 3,740 $ 3,314 $ 10,895 $ 9,940
Interest cost 4,736 3,704 13,726 11,113
Expected return on plan assets (5,908) (5,491) (17,506) (16,472)
Amortization of prior service credit (16) (5) (46) (17)
Amortization of net actuarial loss 1,938 2,353 5,026 7,059
Total benefit cost 4,490 3,875 12,095 11,623
International [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 484 505 1,454 1,532
Interest cost 416 413 1,262 1,257
Expected return on plan assets (397) (379) (1,204) (1,152)
Amortization of prior service credit (76) (80) (228) (242)
Amortization of net actuarial loss 424 527 1,280 1,604
Total benefit cost $ 851 $ 986 $ 2,564 $ 2,999