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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2012
Goodwill [Abstract] |
Goodwill by reportable segment and Corporate | Changes in the carrying value of goodwill by reportable segment and Corporate were as follows:
|  | Americas | (1) | Southern Europe | (2) | Northern Europe |  | APME |  | Right Management |  | Corporate | (3),(4) | Total | (4)
Balance, January 1, 2011 |  | $ | 465.5 |  | $ | 33.1 |  | $ | 265.1 |  | $ | 64.9 |  | $ | 60.6 |  | $ | 64.9 |  | $ | 954.1 |
Goodwill acquired |  |  | — |  |  | 26.8 |  |  | — |  |  | 13.0 |  |  | — |  |  | — |  |  | 39.8 |
Currency impact and other |  |  | (3.7 | ) |  | (0.4 | ) |  | (4.4 | ) |  | (0.4 | ) |  | (0.3 | ) |  | — |  |  | (9.2 | )
Balance, December 31, 2011 |  |  | 461.8 |  |  | 59.5 |  |  | 260.7 |  |  | 77.5 |  |  | 60.3 |  |  | 64.9 |  |  | 984.7 |
Goodwill acquired |  |  | 4.8 |  |  | 41.4 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 46.2 |
Currency impact and other |  |  | 0.5 |  |  | 2.4 |  |  | 10.0 |  |  | (4.3 | ) |  | 1.8 |  |  | — |  |  | 10.4 |
Balance, December 31, 2012 |  | $ | 467.1 |  | $ | 103.3 |  | $ | 270.7 |  | $ | 73.2 |  | $ | 62.1 |  | $ | 64.9 |  | $ | 1,041.3 |
(1) | Balances related to United States were $451.7, $448.3 and $448.5 as of January 1, 2011, December 31, 2011 and December 31, 2012, respectively.
(2) | Balances related to France were $15.8, $42.1 and $83.8 as of January 1, 2011, December 31, 2011 and December 31, 2012, respectively. Balances related to Italy were $4.6, $5.4 and $5.5 as of January 1, 2011, December 31, 2011 and December 31, 2012, respectively.
(3) | The majority of the Corporate balance as of December 31, 2012 relates to goodwill attributable to our acquisition of Jefferson Wells ($55.5) which is part of the United States reporting unit. For purposes of monitoring our total assets by segment, we do not allocate the Corporate balance to the respective reportable segments. We do, however, include these balances within the appropriate reporting units for our goodwill impairment testing. See the table below for the breakout of goodwill balances by reporting unit.
(4) | Balances were net of accumulated impairment loss of $513.4 as of January 1, 2011, December 31, 2011 and December 31, 2012.
Goodwill Balances by Reporting Unit | Goodwill balances by reporting unit were as follows:
December 31 |  | December 31, 2012 |  | January 1, 2012 |
United States |  | $ | 504.0 |  | $ | 503.8 |
France |  |  | 83.8 |  |  | 42.1 |
Netherlands (Vitae) |  |  | 80.7 |  |  | 79.3 |
Right Management |  |  | 62.1 |  |  | 60.3 |
Other reporting units(1) |  |  | 310.7 |  |  | 299.2 |
Total goodwill |  | $ | 1,041.3 |  | $ | 984.7 |
(1) | Elan reporting unit, which carried $123.8 of goodwill as of December 31, 2011, was integrated into other reporting units within our Northern Europe reportable segment as of January 1, 2012.

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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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