v2.4.0.6

Employee Benefit Plans (Equity Compensation Plans - 2006 Employee Equity Incentive Plan) (Narrative) (Details) |  |  |  |  | 0 Months Ended |  |  |  |
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Oct. 31, 2011 years | Oct. 31, 2010 years | Oct. 31, 2009 years | Oct. 31, 2008 years | Mar. 24, 2011 2006 Employee Equity Incentive Plan [Member] | Oct. 31, 2011 2006 Employee Equity Incentive Plan [Member] | Oct. 31, 2011 All Stock Plans [Member] | Oct. 31, 2010 All Stock Plans [Member] | Oct. 31, 2009 All Stock Plans [Member] | Oct. 31, 2008 All Stock Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional reserved for future issuance under the 2006 Employee Plan |  |  |  |  |  |  |  |  | 7.0 |  |  |  |  |
Weighted-average remaining contractual life (in years) | 2.97 |  | 2.80 |  | 2.89 |  | 3.43 |  |  | 7 |  |  |  |
Aggregate stock options outstanding |  |  |  |  |  |  |  |  |  |  | 15,960,000 | 21,184,000 | 25,818,000 | 28,777,000
Shares available for future grant | 5,911,000 | [1] | 2,606,000 | [1] | 6,703,000 | [1] | 4,347,000 | [1] |  |  |  |  |  |
Number of shares available contingent upon cancellation or expiration of prior plans |  |  |  |  |  |  |  |  |  | 6,400,000 |  |  |  |
[1] | Excluding shares reserved for future issuance under the 2005 Directors Plan.

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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Sets forth the nature of any other increase or decrease in the number of shares reserved for issuance under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e)(1) -SubTopic 10 -Topic 718 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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