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Comprehensive Income (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Comprehensive Income
Net income	$ 103,649,000	$ 65,572,000	$ 217,842,000	$ 137,391,000
Amortization of terminated hedge, net of taxes	(54,000)	(54,000)	(108,000)	(108,000)
Unrealized derivative losses on cash flow hedges, net of taxes	(12,697,000)	390,000	(11,280,000)	468,000
Comprehensive income attributable to UHS	90,898,000	65,908,000	206,454,000	137,751,000
Components of other comprehensive income related to noncontrolling interests			$ 0	$ 0

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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