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Goodwill (Tables) | 3 Months Ended
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Mar. 31, 2013
Goodwill/Other Intangible Assets [Abstract] |
Summarizes the goodwill movement |
|  | Three Months Ended March 31 |
(in millions) |  | 2013 |  |  | 2012 |
At January 1 |  |  |  |  |  |  |  |
Gross cost |  | $ | 384.2 |  |  | $ | 375.5 |
Accumulated impairment losses |  |  | (235.2 | ) |  |  | (234.0 | )
Net book amount |  |  | 149.0 |  |  |  | 141.5 |
Exchange effect |  |  | (0.1 | ) |  |  | 0.0 |
Impairment losses |  |  | (0.3 | ) |  |  | (0.3 | )
At March 31 |  |  |  |  |  |  |  |
Gross cost |  |  | 384.1 |  |  |  | 375.5 |
Accumulated impairment losses |  |  | (235.5 | ) |  |  | (234.3 | )
Net book amount |  | $ | 148.6 |  |  | $ | 141.2 |
Purchase price and fair values of assets acquired and liabilities assumed |
(in millions) |  | Strata |
Other intangible assets |  | $ | 48.0 |
Goodwill |  |  | 8.7 |
Other net assets |  |  | 2.7 |
Purchase price, net of cash acquired |  | $ | 59.4 |

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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 Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&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=14024403&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Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4: 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Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 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 all of the fair values of the purchase price and assets and liabilities acquired in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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