v2.4.0.6

Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Oct. 31, 2011 days years months | Oct. 31, 2010 | Oct. 31, 2009
Summary Of Significant Accounting Policies [Line Items] |  |  |
Depreciation expenses | $ 51.0 | $ 50.3 | $ 48.3
Repair and maintenance cost | 20.9 | 19.0 | 19.2
Capitalized software development cost | 3.0 | 2.9 | 3.0
Amortization of capitalized software development cost | 3.0 | 3.0 | 2.9
Goodwill impairment loss | 0 | 0 | 0
Long-lived assets impairment loss | $ 0 | $ 0 | $ 0
Additional maintenance perpetual license period (in years) | 20 |  |
Software product warranty period (in days) | 90 |  |
Hardware product warranty period (in months) | 6 |  |
Term Licenses [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
License fee percentage | 75.00% |  |
Maintenance fee percentage | 100.00% |  |
Perpetual Licenses [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
License fee percentage | 75.00% |  |
Maintenance fee percentage | 100.00% |  |
Perpetual And Term Licenses [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
License fee percentage | 75.00% |  |
Maintenance fee percentage | 100.00% |  |
Capitalized Software Development Costs [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Intangible assets amortization period (in years) | 2 |  |
Minimum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Intangible assets amortization period (in years) | 1 |  |
Maximum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Intangible assets amortization period (in years) | 10 |  |

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- Definition For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Implementation Guide (Q and A) -Number FAS86 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 86 -Paragraph 11 -Subparagraph 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 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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