Retirement Pension and Other Postretirement Plans - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Jan. 31, 2012	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Expenses on retirement plan		$ 12,955	$ 10,827	$ 8,594
Defined contribution plan vesting period		3 years
Settlement loss	(682)
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%
Pension Plan, United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement loss			682
Percentage of World wide pension assets		87.00%
Investments in common shares		0	0
Pension Plan, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of World wide pension assets		13.00%
Components of Net Periodic Pension Cost [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contribution in next fiscal year		21,900
Components of Net Postretirement Benefit Cost [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contribution in next fiscal year		$ 2,000