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Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Income Tax Disclosure [Abstract]      
Balance at November 1 $ 43.6 $ 73.9 $ 35.4
Increases in tax positions for prior years 1.3 7.3 44.0
Decreases in tax positions for prior years (2.5) (2.1) (1.6)
Increases in tax positions for current years 1.3 3.9  
Settlements with taxing authorities (30.3) (32.5) (4.5)
Lapse in statute of limitations   (0.3)  
Currency translation 2.6 (6.6) 0.6
Balance at October 31 $ 16.0 $ 43.6 $ 73.9