Income Taxes Income Tax Examinations (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Income Tax Examination Penalties And Interest Expense [Abstract]      
Interest and penalties recognized in the income tax provision due to the Company's tax position $ (0.1) $ 0.2 $ 0.2
Accrued interest and penalties included in unrecognized tax benefits 0.9 1.0 0.7
Estimated amount that the Company believes its uncertain state tax positions will decrease by 0.3    
Brief description on the Company's income tax examinations The Company is generally no longer subject to income tax examinations by U.S. federal, state, local, or non-U.S. tax authorities for fiscal years prior to fiscal 2009; however, the Company is currently under audit by several states, and has extended the statute of limitations for fiscal years 2004-2008 to enable these states to complete their audits    
Unrecognized Deferred Tax [Abstract]      
Temporary difference on indefinitely reinvested undistributed earnings of Canadian subsidiary 2.2    
Unrecognized deferred income tax liability related to the temporary difference on indefinitely reinvested undistributed earnings of Canadian subsidiary $ 0.1