Financial Instruments and Fair Value Measurements - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012	Oct. 31, 2012
Debt Instrument [Line Items]
Approximate reclassification of net loss from accumulated other comprehensive income			$ 0.6
Interest rate swap agreements maturity year	2014		2014
Total notional amount of interest rate derivatives	150		150
Weighted average of variable interest rate	0.20%		0.20%		0.21%
Weighted average of fixed interest rate	0.75%		0.75%		0.75%
Realized losses on interest rate derivatives related to statement of operations	0.2	0.2	0.4	0.6
Other comprehensive losses on interest rate derivatives			0.2	1.3
Notional amount of outstanding foreign currency forward contracts	155.7		155.7		233.2
(Gains) losses recorded under fair value contracts	1.3	0.2	(0.4)	1.7
Gains reclassified to earnings for hedging contracts qualifying as cash flow hedges		0.1		0.2
Loss on foreign currency forward contracts related to other comprehensive income				0.6
Realized losses on Energy hedges related to statement of operations		0.4		0.6
Carrying amount of long-term debt	1,279.4		1,279.4		1,200.3
Restructuring-related expenses on long lived assets			0.5	4.9
Net book value of long lived assets	0.5	17.6	0.5	17.6
Recognized amount of impairment related to assets under contract to be sold			1.8
Recognized amount of impairment related to net assets held for sale			2.0
Senior Notes [Member]
Debt Instrument [Line Items]
Estimated fair value long-term debt	338.3		338.3		330.8
Carrying amount of long-term debt	302.0		302.0		302.3
Senior Notes due 2019 [Member]
Debt Instrument [Line Items]
Estimated fair value long-term debt	294.7		294.7		286.9
Carrying amount of long-term debt	244.0		244.0		243.6
Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Estimated fair value long-term debt	298.5		298.5		283.4
Carrying amount of long-term debt	$ 257.6		$ 257.6		$ 256.0