Retirement, Pension and Other Postretirement Plans - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Expenses on retirement plan		$ 19,259	$ 17,194	$ 15,747
Defined contribution plan vesting period		3 years
Reductions in service costs associated with change in estimate	$ 1,200
Reductions in interest costs associated with change in estimate	$ 3,100
Retiree eligible age		65 years
Change in postretirement benefit estimates on service cost		$ 100
Change in postretirement benefit estimates on interest cost		$ 500
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of target rate in return seeking assets		35.00%
Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of target rate in return seeking assets		65.00%
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Method used to amortize net gains and losses, description		Net actuarial gains or losses are amortized to expense on a plan-by-plan basis when they exceed the accounting corridor, which is set at 10% of the greater of the plan assets or benefit obligations.
Accounting corridor, set percentage of greater of plan assets or benefit obligations		10.00%
Employer contribution in next fiscal year		$ 22,800
Pension Plans [Member] | United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ (648)		(516)
Curtailment gain				(68)
Percentage of World wide pension assets		91.00%
Investments in common shares		0
Pension Plans [Member] | International [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ (363)	(160)	$ (1,319)
Curtailment gain			1,526
Percentage of World wide pension assets		9.00%
Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Method used to amortize net gains and losses, description		Net actuarial gains or losses are amortized to expense on a plan-by-plan basis when they exceed the accounting corridor, which is set at 10% of the greater of the plan assets or benefit obligations.
Accounting corridor, set percentage of greater of plan assets or benefit obligations		10.00%
Employer contribution in next fiscal year		$ 2,200
Due to Lump Sum Retirement Payments [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ (1,011)	(160)
Due to Plan Amendment [Member]
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain			$ 1,526