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Income Taxes (Detail) (USD $)
9 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Oct. 31, 2013
Income Tax Disclosure [Abstract]      
Estimated annual effective tax rate 38.20% 36.50%  
Deferred tax assets $ 32,200,000    
Valuation allowance 2,500,000    
Unrecognized tax benefits 11,400,000   13,200,000
Liability for uncertain tax positions 4,587,000   5,396,000
Uncertain tax position in non-current deferred taxes 6,800,000   7,800,000
Recognition not affect annual effective tax rate 10,700,000    
Possible change in uncertain tax benefit within the next year 1,800,000    
Reduced liability uncertain tax position resulting from lapse in statute of limitations 1,900,000    
Liability reduction of uncertain tax position resulted in increase to retained earnings 1,629,000    
Reduction in uncertain tax position resulting in decrease in income tax expense $ 300,000