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Goodwill And Other Intangible Assets (Tables) | 12 Months Ended
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Sep. 30, 2011
Goodwill And Other Intangible Assets [Abstract] |
Schedule Of Intangible Assets Gross Carrying Amounts And Accumulated Amortization |
(Dollars in millions) |  | 2011 | 2010
Goodwill | $ | 361.9 | 355.7
Intangible assets with determinable lives: |  |  |
Patents |  |  |
Gross carrying amount | $ | 13.5 | 13.5
Less: accumulated amortization |  | 13.3 | 13.3
Net | $ | 0.2 | 0.2
Capitalized software |  |  |
Gross carrying amount | $ | 116.7 | 102.4
Less: accumulated amortization |  | 57.4 | 49.3
Net | $ | 59.3 | 53.1
Customer Relationships |  |  |
Gross carrying amount | $ | 61.4 | 61.4
Less: accumulated amortization |  | 11.6 | 8.3
Net | $ | 49.8 | 53.1
Other |  |  |
Gross carrying amount | $ | 10.3 | 9.7
Less: accumulated amortization |  | 9.6 | 8.2
Net | $ | 0.7 | 1.5
Intangible assets with indefinite lives: |  |  |
Trade names | $ | 121.8 | 121.8
Schedule Of Changes In The Carrying Amount Of Goodwill Attributable To Business Segment |
(Dollars in millions) |  | USG | Test Filtration | Total
Balance as of |  |  |  |  |
September 30, 2009 | $ | 279.9 | 30.5 | 20.3 | 330.7
Acquisitions/adjustments |  | 16.2 | — | 8.8 | 25.0
Balance as of |  |  |  |  |
September 30, 2010 |  | 296.1 | 30.5 | 29.1 | 355.7
Acquisitions/adjustments |  | 1.7 | 4.3 | 0.2 | 6.2
Balance as of |  |  |  |  |
September 30, 2011 | $ | 297.8 | 34.8 | 29.3 | 361.9

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- Definition Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -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 Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -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. + Details
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- Definition Tabular disclosure of the aggregate amount of goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 350 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267 + Details
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