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Reorganization Costs (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended |  |  |  |  |  |  | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 France [Member] | Dec. 31, 2011 France [Member] | Jun. 30, 2012 Italy [Member] | Dec. 31, 2011 Italy [Member] | Jun. 30, 2012 United States [Member] | Dec. 31, 2011 United States [Member] | Jun. 30, 2012 Americas [Member] | Jun. 30, 2012 Southern Europe [Member] | Jun. 30, 2012 Northern Europe [Member] | Jun. 30, 2012 APME [Member] | Jun. 30, 2012 Right Management [Member] | Jun. 30, 2012 Corporate [Member]
Reorganization Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net reorganization costs | $ 21.0 | $ 1.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | 29.4 |  | 3.4 | 3.5 | 0.2 | 0.4 | 7.9 | 3.3 | 4.0 | [1] | 4.2 | [2] | 11.8 | 1.2 | 8.2 | 0
Severance costs, net | 9.9 |  |  |  |  |  |  |  | 4.8 | [1] | 0.2 | [2] | 1.9 | 0 | 3.0 | 0
Office closure costs, net | 11.1 |  |  |  |  |  |  |  | 3.5 | [1] | 0.5 | [2] | (0.3) | 0 | 7.4 | 0
Costs paid or utilized | (14.5) |  |  |  |  |  |  |  | (2.6) | [1] | (1.4) | [2] | (4.4) | (1.2) | (4.9) | 0
Ending balance | $ 35.9 |  | $ 3.4 | $ 3.5 | $ 0.2 | $ 0.4 | $ 7.9 | $ 3.3 | $ 9.7 | [1] | $ 3.5 | [2] | $ 9.0 | $ 0 | $ 13.7 | $ 0
[1] | Balances related to the United States were $3.3 and $7.9 as of January 1, 2012 and June 30, 2012, respectively.
[2] | Balances related to France were $3.5 and $3.4 as of January 1, 2012 and June 30, 2012, respectively. Balances related to Italy were $0.4 and $0.2 as of January 1, 2012 and June 30, 2012, respectively.

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- Definition The charge against earnings in the period for known and estimated costs of consolidating or closing facilities and termination of an operating lease. The expense is net of reversals. + References No definition available. + Details
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- Definition The charge against earnings in the period for known and estimated costs of termination benefits provided to employees that are involuntarily terminated under a benefit arrangement associated with exit from/disposal of business activities/restructurings pursuant to a duly authorized plan, excluding costs/losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by GAAP and costs associated with one-time termination benefits. The expense is net of reversal + References No definition available. + Details
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- Definition The amount of cash paid during the reporting period for charges associated with the consolidation and relocation of operations, disposition or abandonment of operations or productive assets (that is, for reorganizing and restructuring charges and other related expenses). These charges may be incurred in connection with a business combination, change in strategic plan, a managerial response to declines in demand, increasing costs or other environmental factors. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -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 Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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