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Summary of Total Compensation Expense and Related Income Tax Benefit in Connection with Share-Based Compensation Plans (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation expense before income taxes $ 13,282 $ 10,236 $ 9,191
Income tax benefit (5,512) (4,247) (3,805)
Total share-based compensation expense after income taxes $ 7,770 $ 5,989 $ 5,386