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Earnings Per Share Data ("EPS") and Stock Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2012
Computation of Basic and Diluted Earnings per Share | The following table sets forth the computation of basic and diluted earnings per share for the periods indicated (in thousands, except per share data):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | (amounts in thousands) |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Basic and Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to UHS |  | $ | 107,561 |  |  | $ | 103,649 |  |  | $ | 236,168 |  |  | $ | 217,842 |
Less: Net income attributable to unvested restricted share grants |  |  | (126 | ) |  |  | (126 | ) |  |  | (294 | ) |  |  | (275 | )
Net income attributable to UHS—basic and diluted |  | $ | 107,435 |  |  | $ | 103,523 |  |  | $ | 235,874 |  |  | $ | 217,567 |
Weighted average number of common shares—basic |  |  | 96,691 |  |  |  | 97,563 |  |  |  | 96,642 |  |  |  | 97,472 |
Net effect of dilutive stock options and grants based on the treasury stock method |  |  | 1,038 |  |  |  | 1,695 |  |  |  | 1,118 |  |  |  | 1,591 |
Weighted average number of common shares and equivalents—diluted |  |  | 97,729 |  |  |  | 99,258 |  |  |  | 97,760 |  |  |  | 99,063 |
Earnings per basic share attributable to UHS: |  | $ | 1.11 |  |  | $ | 1.06 |  |  | $ | 2.44 |  |  | $ | 2.23 |
Earnings per diluted share attributable to UHS: |  | $ | 1.10 |  |  | $ | 1.04 |  |  | $ | 2.41 |  |  | $ | 2.20 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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