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Stock-Based Compensation - Summarized Information on Currently Outstanding Options (Detail) - Stock Options [Member] shares in Thousands | 12 Months Ended
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Oct. 31, 2016 $ / shares shares
Price Range 14 to 28 [Member] |
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items] |
Number outstanding | shares | 236
Weighted-average remaining contractual life, in years | 2 years 4 months 24 days
Weighted-average exercise price | $ / shares | $ 22.68
Number exercisable | shares | 236
Weighted-average exercise price | $ / shares | $ 22.68
Price Range 29 to 44 [Member] |
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items] |
Number outstanding | shares | 434
Weighted-average remaining contractual life, in years | 4 years 4 months 24 days
Weighted-average exercise price | $ / shares | $ 41.49
Number exercisable | shares | 434
Weighted-average exercise price | $ / shares | $ 41.49
Price Range 45 to 81 [Member] |
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items] |
Number outstanding | shares | 1,211
Weighted-average remaining contractual life, in years | 7 years 10 months 24 days
Weighted-average exercise price | $ / shares | $ 71.44
Number exercisable | shares | 326
Weighted-average exercise price | $ / shares | $ 68.53

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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