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Equity (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2013
Equity |
Schedule of accumulated other comprehensive loss |
|  |  | Foreign Currency Translation Gain |  |  |  | Unrealized Loss on Investments, Net of Tax |  |  |  | Minimum Pension Liability, Net of Tax |  |  |  | Accumulated Other Comprehensive Loss |
|  |  | (in millions) |
Balance as of December 31, 2012 |  |  | $ | 21.0 |  |  |  | $ | (0.2 | ) |  |  | $ | (22.3 | ) |  |  | $ | (1.5 | )
Current-period change |  |  | (10.1 | ) |  |  | 0.2 |  |  |  | — |  |  |  | (9.9 | )
Balance as of March 31, 2013 |  |  | $ | 10.9 |  |  |  | $ | — |  |  |  | $ | (22.3 | ) |  |  | $ | (11.4 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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