Retirement, Pension and Other Postretirement Plans - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 31, 2015	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Expenses on retirement plan		$ 15,747	$ 14,423	$ 12,955
Defined contribution plan vesting period		3 years
Settlement loss	$ (1,572)
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of target rate in return seeking assets		45.00%
Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of target rate in return seeking assets		55.00%
Due to Lump Sum Retirement Payments [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ (593)	(632)
Due to Plan Termination [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		(1,242)
Pension Plan, United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ (516)	$ (632)
Percentage of World wide pension assets		89.00%
Investments in common shares		0
Pension Plan, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement loss		$ (1,319)
Percentage of World wide pension assets		11.00%
Components of Net Periodic Pension Cost [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contribution in next fiscal year		$ 25,400
Components of Net Postretirement Benefit Cost [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contribution in next fiscal year		$ 2,100