Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities
Net income	$ 131,872	$ 171,338
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	324,367	301,060
Stock-based compensation expense	20,732	20,418
Loss on sale	3,234
Impairment of hospitals held for sale	47,930
Excess tax benefit relating to stock-based compensation	(4,659)	(10,104)
Other non-cash expenses, net	4,313	(2,342)
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Patient accounts receivable	(83,082)	(63,896)
Supplies, prepaid expenses and other current assets	9,374	(1,147)
Accounts payable, accrued liabilities and income taxes	129,518	114,100
Other	1,086	12,365
Net cash provided by operating activities	584,685	541,792
Cash flows from investing activities
Acquisitions of facilities and other related equipment	(204,264)	(2,413)
Purchases of property and equipment	(351,383)	(263,924)
Proceeds from disposition of ancillary operations	18,464
Proceeds from sale of property and equipment	8,034	2,307
Increase in other non-operating assets	(75,211)	(64,258)
Net cash used in investing activities	(604,360)	(328,288)
Cash flows from financing activities
Proceeds from exercise of stock options	18,831	53,615
Deferred financing costs	(234)
Excess tax benefit relating to stock-based compensation	4,659	10,104
Stock buy-back	(50,002)	(12,242)
Proceeds from noncontrolling investors in joint ventures	863	5,155
Redemption of noncontrolling investments in joint ventures	(3,303)	(2,395)
Distributions to noncontrolling investors in joint ventures	(30,078)	(29,371)
Repayments of long-term indebtedness	(28,798)	(34,157)
Net cash used in financing activities	(88,062)	(9,291)
Net change in cash and cash equivalents	(107,737)	204,213
Cash and cash equivalents at beginning of period	299,169	344,541
Cash and cash equivalents at end of period	191,432	548,754
Supplemental disclosure of cash flow information:
Interest payments	327,717	320,150
Income tax (refunds received) paid, net	$ (25,697)	$ 79,711