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Long-Term Debt - Summary of Long-Term Debt (Detail) (USD $)
In Millions, unless otherwise specified
Jan. 31, 2014
Oct. 31, 2013
Debt Instrument [Line Items]    
Carrying amount of long-term debt $ 1,358.3 $ 1,217.2
Less current portion (12.5) (10.0)
Long-term debt 1,345.8 1,207.2
Amended Credit Agreement [Member]
   
Debt Instrument [Line Items]    
Carrying amount of long-term debt 357.6 222.9
Less current portion (12.5)  
Long-term debt 345.1  
Senior Notes Due 2017 [Member]
   
Debt Instrument [Line Items]    
Carrying amount of long-term debt 301.6 301.8
Senior Notes Due 2019 [Member]
   
Debt Instrument [Line Items]    
Carrying amount of long-term debt 244.5 244.4
Senior Notes Due 2021 [Member]
   
Debt Instrument [Line Items]    
Carrying amount of long-term debt 270.8 272.9
Amended Receivables Facility [Member]
   
Debt Instrument [Line Items]    
Carrying amount of long-term debt 151.0 140.0
Other Long-Term Debt [Member]
   
Debt Instrument [Line Items]    
Carrying amount of long-term debt $ 32.8 $ 35.2