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Quarterly Data (Unaudited) | 12 Months Ended
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Dec. 31, 2011
Quarterly Data (Unaudited) [Abstract] |
Quarterly Data (Unaudited) | 15. Quarterly Data (Unaudited)
|  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |  |  | Total |
Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from services | $ | 5,072.4 |  | $ | 5,667.3 |  | $ | 5,782.3 |  | $ | 5,484.0 |  | $ | 22,006.0 |
Gross profit |  | 857.6 |  |  | 962.2 |  |  | 951.3 |  |  | 935.2 |  |  | 3,706.3 |
Operating profit(a) |  | 85.6 |  |  | 150.8 |  |  | 158.0 |  |  | 129.8 |  |  | 524.2 |
Net earnings |  | 35.7 |  |  | 72.7 |  |  | 79.6 |  |  | 63.6 |  |  | 251.6 |
Net earnings per share — basic | $ | 0.44 |  | $ | 0.89 |  | $ | 0.97 |  | $ | 0.79 |  | $ | 3.08 |
Net earnings per share — diluted(b) |  | 0.43 |  |  | 0.87 |  |  | 0.97 |  |  | 0.78 |  |  | 3.04 |
Dividends per share |  | – |  |  | 0.40 |  |  | – |  |  | 0.40 |  |  | 0.80 |
Market price: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
High | $ | 68.67 |  | $ | 68.14 |  | $ | 58.62 |  | $ | 45.92 |  |  |  |
Low |  | 58.60 |  |  | 52.37 |  |  | 32.32 |  |  | 32.63 |  |  |  |
Year Ended December 31, 2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from services | $ | 4,099.3 |  | $ | 4,585.6 |  | $ | 4,972.0 |  | $ | 5,209.6 |  | $ | 18,866.5 |
Gross profit |  | 701.5 |  |  | 797.0 |  |  | 841.2 |  |  | 905.7 |  |  | 3,245.4 |
Operating profit (loss)(c) |  | 32.6 |  |  | 79.1 |  |  | 108.9 |  |  | (342.6 | ) |  | (122.0 | )
Net earnings (loss) |  | 2.8 |  |  | 32.7 |  |  | 51.3 |  |  | (350.4 | ) |  | (263.6 | )
Net earnings (loss) per share — basic | $ | 0.04 |  | $ | 0.40 |  | $ | 0.63 |  | $ | (4.29 | ) | $ | (3.26 | )
Net earnings (loss) per share — diluted(d) |  | 0.04 |  |  | 0.40 |  |  | 0.62 |  |  | (4.29 | ) |  | (3.26 | )
Dividends per share |  | – |  |  | 0.37 |  |  | – |  |  | 0.37 |  |  | 0.74 |
Market price: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
High | $ | 59.92 |  | $ | 62.18 |  | $ | 52.20 |  | $ | 65.14 |  |  |  |
Low |  | 50.63 |  |  | 40.58 |  |  | 42.50 |  |  | 50.39 |  |  |  |
(a) | Included reorganization charges of $0.2, $1.4, $0.5 and $21.0 recorded in the first, second, third and fourth quarters, respectively.
(b) | Included in the results are reorganization costs of ($0.02) per diluted share in the second quarter and ($0.20) per diluted share in the fourth quarter.
(c) | Included a $428.8 impairment charge recorded in the fourth quarter, and reorganization charges of $1.3, $1.2, $5.6 and $28.0 recorded in the first, second, third and fourth quarters, respectively.
(d) | The fourth quarter includes ($4.70) per share related to the impairment charge, Also included in the results are reorganization costs of ($0.01) per diluted share in the first and second quarters, ($0.05) per diluted share in the third quarter and ($0.23) per diluted share in the fourth quarter.

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 23, 24 -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 Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 30 -Subparagraph a-j -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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