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Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2013
Accounting Policies |
Changes in the carrying amount of goodwill by geographic segment |
|  | March 31, 2013 |
|  | Gross Balance |  | Accumulated Impairment Losses |  | Net Goodwill |
|  | Balance January 1, 2013 |  | Acquired During the Period |  | Foreign Currency Translation and Other |  | Balance March 31, 2013 |  | Balance January 1, 2013 |  | Impairment Loss During the Period |  | Balance March 31, 2013 |  | March 31, 2013 |
|  | (in millions) |
North America |  | $ | 225.6 |  | $ | — |  | $ | (0.3 | ) | $ | 225.3 |  | $ | (24.2 | ) | $ | — |  | $ | (24.2 | ) | $ | 201.1 |
Europe, Middle East and Africa (EMEA) |  | 293.9 |  | — |  | (8.4 | ) | 285.5 |  | — |  | — |  | — |  | 285.5 |
Asia |  | 12.9 |  | — |  | — |  | 12.9 |  | — |  | — |  | — |  | 12.9 |
Total |  | $ | 532.4 |  | $ | — |  | $ | (8.7 | ) | $ | 523.7 |  | $ | (24.2 | ) | $ | — |  | $ | (24.2 | ) | $ | 499.5 |
|  | April 1, 2012 |
|  | Gross Balance |  | Accumulated Impairment Losses |  | Net Goodwill |
|  | Balance January 1, 2012 |  | Acquired During the Period |  | Foreign Currency Translation and Other |  | Balance April 1, 2012 |  | Balance January 1, 2012 |  | Impairment Loss During the Period |  | Balance April 1, 2012 |  | April 1, 2012 |
|  | (in millions) |
North America |  | $ | 213.8 |  | $ | 13.1 |  | $ | 0.1 |  | $ | 227.0 |  | $ | (23.2 | ) | $ | — |  | $ | (23.2 | ) | $ | 203.8 |
EMEA |  | 285.3 |  | — |  | 7.6 |  | 292.9 |  | — |  | — |  | — |  | 292.9 |
Asia |  | 12.7 |  | — |  | 0.1 |  | 12.8 |  | — |  | — |  | — |  | 12.8 |
Total |  | $ | 511.8 |  | $ | 13.1 |  | $ | 7.8 |  | $ | 532.7 |  | $ | (23.2 | ) | $ | — |  | $ | (23.2 | ) | $ | 509.5 |
Intangible assets |
|  | March 31, 2013 |  | December 31, 2012 |
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |
|  | (in millions) |
Patents |  | $ | 16.4 |  | $ | (11.9 | ) | $ | 4.5 |  | $ | 16.5 |  | $ | (11.7 | ) | $ | 4.8 |
Customer relationships |  | 133.1 |  | (71.4 | ) | 61.7 |  | 134.3 |  | (68.7 | ) | 65.6 |
Technology |  | 28.3 |  | (9.8 | ) | 18.5 |  | 28.5 |  | (9.3 | ) | 19.2 |
Trade Names |  | 13.7 |  | (2.2 | ) | 11.5 |  | 13.9 |  | (1.9 | ) | 12.0 |
Other |  | 8.7 |  | (5.6 | ) | 3.1 |  | 8.7 |  | (5.5 | ) | 3.2 |
Total amortizable intangibles |  | 200.2 |  | (100.9 | ) | 99.3 |  | 201.9 |  | (97.1 | ) | 104.8 |
Indefinite-lived intangible assets |  | 41.2 |  | — |  | 41.2 |  | 41.8 |  | — |  | 41.8 |
Total |  | $ | 241.4 |  | $ | (100.9 | ) | $ | 140.5 |  | $ | 243.7 |  | $ | (97.1 | ) | $ | 146.6 |
Schedule of weighted average assumptions used to estimate the grant-date fair value of restricted stock units |
|  | 2013 |  | 2012 |
Expected life (years) |  | 3.0 |  | 3.0 |
Expected stock price volatility |  | 34.1 | % | 38.3 | %
Expected dividend yield |  | 0.9 | % | 1.1 | %
Risk-free interest rate |  | 0.4 | % | 0.4 | %

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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 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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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of amortizable finite-lived intangible assets, including the gross carrying amount and accumulated amortization along with the disclosure of the carrying value of indefinite-lived intangible assets not subject to amortization, excluding goodwill, in total and by major class. + References No definition available. + Details
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