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Earnings Per Share Data ("EPS") And Stock Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2012
Earnings Per Share Data ("EPS") And Stock Based Compensation [Abstract] |
Schedule Of Computation Of Basic And Diluted Earnings Per Share |
|  | Three months ended March 31, |
|  | 2012 |  |  | 2011 |
Basic and Diluted: |  |  |  |  |  |  |  |
Net income attributable to UHS |  | $ | 128,607 |  |  | $ | 114,193 |
Less: Net income attributable to unvested restricted share grants |  |  | (168 | ) |  |  | (149 | )
Net income attributable to UHS – basic and diluted |  | $ | 128,439 |  |  | $ | 114,044 |
Weighted average number of common shares - basic |  |  | 96,593 |  |  |  | 97,381 |
Net effect of dilutive stock options and grants based on the treasury stock method |  |  | 1,198 |  |  |  | 1,487 |
Weighted average number of common shares and equivalents - diluted |  |  | 97,791 |  |  |  | 98,868 |
Earnings per basic share attributable to UHS: |  | $ | 1.33 |  |  | $ | 1.17 |
Earnings per diluted share attributable to UHS: |  | $ | 1.31 |  |  | $ | 1.15 |

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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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