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Inventories - Summarization of Inventories (Detail) (USD $)
In Millions, unless otherwise specified
Jan. 31, 2013
Oct. 31, 2012
Schedule Of Inventory [Line Items]    
Finished Goods $ 105.7 $ 96.9
Raw materials and work-in-process 283.6 277.4
Inventories, net $ 389.3 $ 374.3