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Stock Repurchase Program - Stock Repurchase Activities (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
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Apr. 30, 2015 | Apr. 30, 2014 | Apr. 30, 2015 | Apr. 30, 2014
Stock Repurchase Program |  |  |  |  |  |
Shares repurchased | 0 us-gaap_TreasuryStockSharesAcquired |  | 628 us-gaap_TreasuryStockSharesAcquired | 3,290 us-gaap_TreasuryStockSharesAcquired |  | 2,050 us-gaap_TreasuryStockSharesAcquired
Average purchase price | $ 0.00 us-gaap_TreasuryStockAcquiredAverageCostPerShare |  | $ 39.81 us-gaap_TreasuryStockAcquiredAverageCostPerShare | $ 43.77 us-gaap_TreasuryStockAcquiredAverageCostPerShare |  | $ 38.90 us-gaap_TreasuryStockAcquiredAverageCostPerShare
Payments for Repurchase of Common Stock | $ 0 us-gaap_PaymentsForRepurchaseOfCommonStock | [1] | $ 25,000 us-gaap_PaymentsForRepurchaseOfCommonStock | $ 144,000 us-gaap_PaymentsForRepurchaseOfCommonStock | [1] | $ 79,747 us-gaap_PaymentsForRepurchaseOfCommonStock
Reissuance of treasury stock | 1,597 us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued |  | 1,281 us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued | 2,379 us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued |  | 2,587 us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued
[1] | Does not include $36.0 million equity forward contract related to the above-referenced 2015 ASR.

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Details
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- Definition Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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