Compensation Expense and Related Income Tax Benefit in Connection with Share- Based Compensation Plans (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Oct. 31, 2012
|
Oct. 31, 2011
|
Oct. 31, 2010
|
|
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | |||
Share-based compensation expense recognized in selling, general and administrative expenses before income taxes | $ 10,236 | $ 9,191 | $ 4,071 |
Income tax benefit | (4,247) | (3,805) | (1,691) |
Total share-based compensation expense after income taxes | $ 5,989 | $ 5,386 | $ 2,380 |