v2.4.0.6

Capital Stock (Details 2) (USD $) | 1 Months Ended |  |  |  | 1 Months Ended |  |  | 1 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 28, 2011 | Dec. 31, 2011 | Jul. 01, 2011 | Dec. 31, 2010 | Jul. 31, 2011 NHP | Dec. 31, 2011 NHP | Jul. 01, 2011 NHP | Nov. 30, 2011 ASLG | May 31, 2011 ASLG | May 12, 2011 ASLG
Business acquisition |  |  |  |  |  |  |  |  |  |
Number of shares reserved for issuance in connection with equity awards and other convertible or exchangeable securities |  |  |  |  |  | 2,253,366 | 2,253,366 |  |  |
Common stock share value issued related to acquisition |  |  |  |  |  |  | $ 5,400,000,000 |  |  | $ 1,380,000,000
Closing price of Common stock |  |  |  |  |  |  | $ 53.74 |  |  | $ 55.33
Number of common stock issued related to acquisition |  |  |  |  | 99,849,106 |  |  |  | 24,958,543 |
Number of shares reduced for working capital adjustment with purchase agreement |  |  |  |  |  |  |  | 83,441 |  |
Number of shares of common stock issued and sold in an underwritten public offering | 5,563,000 |  |  |  |  |  |  |  |  |
Aggregate proceeds from the sale of common stock in an underwritten public offering pursuant | $ 300,000,000 |  |  |  |  |  |  |  |  |
Capital stock authorized (in shares) |  | 610,000,000 | 610,000,000 |  |  |  |  |  |  |
Common stock, shares authorized |  | 600,000,000 | 600,000,000 | 300,000,000 |  |  |  |  |  |
Common stock, par value (in dollars per share) |  | $ 0.25 | $ 0.25 | $ 0.25 |  |  |  |  |  |
Preferred stock, shares authorized |  | 10,000,000 | 10,000,000 | 10,000,000 |  |  |  |  |  |
Preferred stock, par value (in dollars per share) |  | $ 1.00 | $ 1.00 | $ 1.00 |  |  |  |  |  |

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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