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Restructuring Charges - Reconciliation of Beginning and Ending Restructuring Reserve Balances (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2010
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Begining balance |  |  | $ 19.6 | $ 20.3 |
Costs incurred and charged to expense | 10.5 | 19.1 | 33.4 | 30.5 | 26.7
Costs paid or otherwise settled |  |  | (45.0) | (31.2) |
Ending balance | 8.0 | 19.6 | 8.0 | 19.6 | 20.3
Employee separation costs [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Begining balance |  |  | 11.8 | 12.7 |
Costs incurred and charged to expense |  |  | 13.4 | 13.3 | 13.7
Costs paid or otherwise settled |  |  | (19.0) | (14.2) |
Ending balance | 6.2 | 11.8 | 6.2 | 11.8 | 12.7
Other Restructuring Costs [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Begining balance |  |  | 7.6 | 7.6 |
Costs incurred and charged to expense |  |  | 9.8 | 12.7 | 7.7
Costs paid or otherwise settled |  |  | (15.6) | (12.7) |
Ending balance | 1.8 | 7.6 | 1.8 | 7.6 | 7.6
Asset Impairments [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Begining balance |  |  | 0.2 |  |
Costs incurred and charged to expense |  |  | 10.2 | 4.5 |
Costs paid or otherwise settled |  |  | (10.4) | (4.3) |
Ending balance |  | 0.2 |  | 0.2 |
Inventory write-down [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Begining balance |  |  |  |  |
Costs incurred and charged to expense |  |  |  |  |
Costs paid or otherwise settled |  |  |  |  |
Ending balance |  |  |  |  |

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- Definition Restructuring reserve settled with cash or otherwise settled. + References No definition available. + Details
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- Definition Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747 + Details
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- Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-3 -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 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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