Financial Instruments and Fair Value Measurements (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 30, 2012 Investment	Apr. 30, 2011	Apr. 30, 2012 Investment	Apr. 30, 2011	Oct. 31, 2011
Financial Instruments and Fair Value Measurements (Textual) [Abstract]
Approximate reclassification of net gain from accumulated other comprehensive loss			$ 0.7
Interest rate swap agreement date of various maturities			2014
Number of interest rate derivatives Related to floating to fixed swap agreements designated as cash flow hedges	3		3
Total notional amount of interest rate derivatives	150		150
Weighted average of Variable interest rate	0.24%		0.24%		0.27%
Weighted average of fixed interest rate	0.75%		0.75%		1.92%
Realized losses on interest rate derivatives related to statement of operations	0.2	0.5	0.6	1.0
Other comprehensive loss on interest rate derivatives			1.1		0.3
Realized losses on Energy hedges related to statement of operations	0.4	0.1	0.6	0.3
Notional amount of outstanding foreign currency forward contracts	231.7		231.7		160.6
Realized gain (loss) on foreign currency forward contracts related to statement of operations	(0.1)	1.5	(1.4)	0.1
Gain on foreign currency forward contracts related to other comprehensive income			0.1		0.7
Notional amount of energy hedges	1.0		1.0		2.7
Other comprehensive loss on energy hedges	0.7		0.7		0.1
Estimated fair value long-term debt	886.8		886.8		866.8
Carrying amount of long-term debt	1,304.8		1,304.8		1,357.6
Current portion of long-term debt	18.8		18.8		12.5
Restructuring-related expenses on long lived assets			4.9
Net book value of long lived assets	17.6		17.6
Recognized amount of impairment related to net assets held for sale	1.3		1.3
Recognized amount of impairment related to discontinued usage of certain trade names	$ 3.0		$ 3.0