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Financial Assets and Liabilities (Tables) | 9 Months Ended
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Jul. 31, 2014
Financial Assets And Liabilities [Abstract] |
Effects on Changes in Fair Values of Non-Designated Forward Contracts | The effects of the changes in the fair values of non-designated forward contracts are summarized as follows:
| Three Months Ended July 31, |  | Nine Months Ended July 31,
| 2014 |  | 2013 |  | 2014 |  | 2013
| (in thousands)
Gain (loss) recorded in other income (expense), net | $ | (53 | ) |  | $ | (586 | ) |  | $ | (667 | ) |  | $ | 3,344 |
Notional Amounts of Derivative Instruments | The notional amounts in the table below for derivative instruments provide one measure of the transaction volume outstanding:
| As of July 31, 2014 |  | As of October 31, 2013
| (in thousands)
Total gross notional amount | $ | 701,725 |  |  | $ | 746,801 |
Net fair value | $ | 3,009 |  |  | $ | 7,199 |
Fair Values of Derivative Instrument Designated and Non-Designated as Hedging Instruments in Balance Sheet | The following represents the unaudited condensed consolidated balance sheet location and amount of derivative instrument fair values segregated between designated and non-designated hedge instruments:
| Fair Values of derivative instruments designated as hedging instruments |  | Fair Values of derivative instruments not designated as hedging instruments
| (in thousands)
As of July 31, 2014 |  |  |
Other current assets | $ | 6,193 |  |  | $ | 159 |
Accrued liabilities | $ | 3,247 |  |  | $ | 96 |
As of October 31, 2013 |  |  |
Other current assets | $ | 12,417 |  |  | $ | 20 |
Accrued liabilities | $ | 5,103 |  |  | $ | 135 |
Income Statement Location and Amount of Gains and Losses on Derivative Instrument Fair Values for Designated Hedge Instruments, Net of Tax | The following table represents the unaudited condensed consolidated statement of operations location and amount of gains and losses on derivative instrument fair values for designated hedge instruments, net of tax:
| Location of gain (loss) recognized in OCI on derivatives |  | Amount of gain (loss) recognized in OCI on derivatives (effective portion) |  | Location of gain (loss) reclassified from OCI |  | Amount of gain (loss) reclassified from OCI (effective portion)
| (in thousands)
Three months ended July 31, 2014 |  |  |  |  |  |  |
Foreign exchange contracts | Revenue |  | $ | (40 | ) |  | Revenue |  | $ | 1,563 |
Foreign exchange contracts | Operating expenses |  | (815 | ) |  | Operating expenses |  | 977 |
Total |  |  | $ | (855 | ) |  |  |  | $ | 2,540 |
Three months ended July 31, 2013 |  |  |  |  |  |  |
Foreign exchange contracts | Revenue |  | $ | (158 | ) |  | Revenue |  | $ | 3,771 |
Foreign exchange contracts | Operating expenses |  | (2,106 | ) |  | Operating expenses |  | (30 | )
Total |  |  | $ | (2,264 | ) |  |  |  | $ | 3,741 |
Nine months ended July 31, 2014 |  |  |  |  |  |  |
Foreign exchange contracts | Revenue |  | $ | 3,324 |  |  | Revenue |  | $ | 3,237 |
Foreign exchange contracts | Operating expenses |  | (1,707 | ) |  | Operating expenses |  | 1,736 |
Total |  |  | $ | 1,617 |  |  |  |  | $ | 4,973 |
Nine months ended July 31, 2013 |  |  |  |  |  |  |
Foreign exchange contracts | Revenue |  | $ | 2,701 |  |  | Revenue |  | $ | 6,325 |
Foreign exchange contracts | Operating expenses |  | (1,165 | ) |  | Operating expenses |  | (854 | )
Total |  |  | $ | 1,536 |  |  |  |  | $ | 5,471 |
Ineffective Portion and Portion Excluded from Effectiveness Testing of Derivative Hedge Gains (Losses) | The following table represents the ineffective portions and portions excluded from effectiveness testing of the hedge gains (losses) for derivative instruments designated as hedging instruments, which are recorded in other income (expense), net:
Foreign exchange contracts | Amount of gain (loss) recognized in income statement on derivatives (ineffective portion)(1) |  | Amount of gain (loss) recognized in income statement on derivatives (excluded from effectiveness testing)(2)
| (in thousands)
For the three months ended July 31, 2014 | $ | 24 |  |  | $ | 548 |
For the three months ended July 31, 2013 | $ | 90 |  |  | $ | 260 |
For the nine months ended July 31, 2014 | $ | 57 |  |  | $ | 2,950 |
For the nine months ended July 31, 2013 | $ | 256 |  |  | $ | 1,522 |
(1) | The ineffective portion includes forecast inaccuracies.
(2) | The portion excluded from effectiveness testing includes the discount earned or premium paid for the contracts.

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41620-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579240-113959 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41641-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41638-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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