Financial Instruments and Fair Value Measurements - Recurring Fair Value Measurements (Detail) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value	$ (0.9)	$ 1.4
Other Long-Term Liabilities [Member] | Interest Rate Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value	(1.4)	(0.4)
Other Current Assets [Member] | Foreign Exchange Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Foreign exchange hedges included in other current assets	0.8	2.4
Other Current Liabilities [Member] | Foreign Exchange Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value	(0.3)	(0.5)
Other Current Liabilities [Member] | Energy Hedges [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value		(0.1)
Level 1 [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value
Level 1 [Member] | Other Long-Term Liabilities [Member] | Interest Rate Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value
Level 1 [Member] | Other Current Assets [Member] | Foreign Exchange Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Foreign exchange hedges included in other current assets
Level 1 [Member] | Other Current Liabilities [Member] | Foreign Exchange Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value
Level 1 [Member] | Other Current Liabilities [Member] | Energy Hedges [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value
Level 2 [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value	(0.9)	1.4
Level 2 [Member] | Other Long-Term Liabilities [Member] | Interest Rate Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value	(1.4)	(0.4)
Level 2 [Member] | Other Current Assets [Member] | Foreign Exchange Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Foreign exchange hedges included in other current assets	0.8	2.4
Level 2 [Member] | Other Current Liabilities [Member] | Foreign Exchange Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value	(0.3)	(0.5)
Level 2 [Member] | Other Current Liabilities [Member] | Energy Hedges [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value		(0.1)
Level 3 [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value
Level 3 [Member] | Other Long-Term Liabilities [Member] | Interest Rate Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value
Level 3 [Member] | Other Current Assets [Member] | Foreign Exchange Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Foreign exchange hedges included in other current assets
Level 3 [Member] | Other Current Liabilities [Member] | Foreign Exchange Contract [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value
Level 3 [Member] | Other Current Liabilities [Member] | Energy Hedges [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Total Fair Value