Stock-Based Compensation - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Stock options granted	0	0	0
Stock options fully vested	2 years
Expiry of options	10 years
Share based compensation expense	$ 3.7	$ 3.6	$ 4.2
2001 Management Equity Incentive and Compensation Plan [Member]
Stock options granted under various plans	5,000,000
Non-statutory Stock Option Plan [Member]
Stock options granted under various plans	400,000
Incentive Stock Option Plan [Member]
Stock options granted under various plans	2,000,000
Outside Directors Award Plan [Member]
Stock options granted under various plans	200,000
Expiry of option	10 years
Long Term Incentive Plan Restricted Stock [Member]
Shares of restricted stock	55,874	53,533
Weighted average grant date fair value	$ 51.97	$ 41.44
Share based compensation expense	2.9	2.2	2.5
2005 Outside Directors Equity Award Plan Restricted Stock [Member]
Shares of restricted stock	15,831	14,152
Weighted average grant date fair value	$ 51.16	$ 50.87
Share based compensation expense	$ 0.8	$ 0.7	$ 0.7