Stock Repurchase Activities (Parenthetical) (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | 3 Months Ended |
---|---|---|
Oct. 31, 2011
|
Jan. 31, 2012
Foreign Currency Derivative Contracts
|
|
Share Repurchases [Line Items] | ||
Settlement of equity forward contract | $ 33,335 | |
Common stock issued for settlement of equity forward contract | 1,105,457 |