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Goodwill and Other Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2012
Goodwill and Other Intangible Assets [Abstract] |
Summary of goodwill |
($ in millions) |  | December 31, 2011 |  |  | Currency Translation Adjustments |  |  | September 30, 2012 |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |
Environmental Solutions |  | $ | 120.4 |  |  | $ | — |  |  | $ | 120.4 |
Fire Rescue |  |  | 33.2 |  |  |  | 0.3 |  |  |  | 33.5 |
Safety and Security Systems |  |  | 117.0 |  |  |  | 0.1 |  |  |  | 117.1 |
Total |  | $ | 270.6 |  |  | $ | 0.4 |  |  | $ | 271.0 |
Gross carrying value and accumulated amortization for each major class of intangible assets | The following table provides the gross carrying value and accumulated amortization for each major class of intangible assets:
|  |  |  |  | September 30, 2012 |  |  | December 31, 2011 |
($ in millions) |  | Average Useful Life (Years) |  |  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Carrying Value |  |  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Carrying Value |
Amortizable intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed software |  |  | 6 |  |  | $ | 6.0 |  |  | $ | (5.1 | ) |  | $ | 0.9 |  |  | $ | 6.0 |  |  | $ | (4.4 | ) |  | $ | 1.6 |
Patents |  |  | 10 |  |  |  | 0.6 |  |  |  | (0.5 | ) |  |  | 0.1 |  |  |  | 0.6 |  |  |  | (0.4 | ) |  |  | 0.2 |
Total |  |  | 6 |  |  | $ | 6.6 |  |  | $ | (5.6 | ) |  | $ | 1.0 |  |  | $ | 6.6 |  |  | $ | (4.8 | ) |  | $ | 1.8 |

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- Definition Summary of gross carrying value and accumulated amortization for each major class of intangible assets. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: 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Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: 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. Reference 3: 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=14024403&loc=d3e13854-109267 Reference 4: 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=14024403&loc=d3e13816-109267 Reference 5: 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. + Details
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