Derivative Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2011
Commodity derivatives [Member] | Not designated as hedges [Member] | Other Current Assets [Member]
Fair values of derivative instruments
Fair value of derivatives in a gain position	$ 1.3
Fair value of derivatives in a loss position	(0.9)
Currency Derivatives [Member] | Cash Flow Hedging [Member] | Other Current Assets [Member]
Fair values of derivative instruments
Fair value of derivatives in a gain position	0.4
Fair value of derivatives in a loss position	(0.4)
Currency Derivatives [Member] | Cash Flow Hedging [Member] | Accrued Expenses [Member]
Fair values of derivative instruments
Fair value of derivatives in a gain position	1.5
Fair value of derivatives in a loss position	(10.5)
Currency Derivatives [Member] | Cash Flow Hedging [Member] | Other Liabilities [Member]
Fair values of derivative instruments
Fair value of derivatives in a gain position	0.4
Fair value of derivatives in a loss position	(2.5)
Currency Derivatives [Member] | Not designated as hedges [Member] | Other Current Assets [Member]
Fair values of derivative instruments
Fair value of derivatives in a gain position	0.1
Fair value of derivatives in a loss position	0
Currency Derivatives [Member] | Not designated as hedges [Member] | Accrued Expenses [Member]
Fair values of derivative instruments
Fair value of derivatives in a gain position	0
Fair value of derivatives in a loss position	(0.8)
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Other Current Assets [Member]
Fair values of derivative instruments
Fair value of derivatives in a gain position	1.3
Fair value of derivatives in a loss position	0
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Other Assets [Member]
Fair values of derivative instruments
Fair value of derivatives in a gain position	2.1
Fair value of derivatives in a loss position	$ 0