Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 123.8	$ 108.0
Income from discontinued operations	(19.1)	(4.6)
Adjustments to reconcile net income to net cash provided by operating activities-
Provision for doubtful accounts	9.8	11.1
Provision for government, class action, and related settlements	(10.6)
Depreciation and amortization	39.1	35.3
(Gain) loss on interest rate swaps		4.0
Loss on early extinguishment of debt	26.1	0.4
Equity in net income of nonconsolidated affiliates	(5.7)	(5.2)
Distributions from nonconsolidated affiliates	5.5	3.3
Stock-based compensation	9.5	7.8
Deferred tax expense	5.2	2.1
Other	3.0	2.9
(Increase) decrease in assets-
Accounts receivable	(15.9)	(17.1)
Other assets	(9.7)	(5.8)
Income tax refund receivable	(2.6)	4.3
Increase (decrease) in liabilities-
Accounts payable	0.8	(2.2)
Accrued interest	2.0	6.7
Other liabilities	12.6	16.2
Premium received on bond issuance	4.1
Premium paid on redemption of bonds	(18.0)
Refunds due patients and other third-party payors	(16.7)	(0.6)
Government, class action, and related settlements	6.5	(0.8)
Net cash provided by operating activities of discontinued operations	7.2	7.3
Total adjustments	52.2	69.7
Net cash provided by operating activities	156.9	173.1
Cash flows from investing activities:
Capital expenditures	(35.5)	(29.1)
Acquisition of a business, net of cash acquired		(9.9)
Purchase of restricted investments	(7.9)	(13.3)
Proceeds from sale of restricted investments	0.6	10.0
Net change in restricted cash	5.3	18.1
Net settlements on interest rate swaps	(10.9)	(23.1)
Other	(0.5)	(0.4)
Net cash (used in) provided by investing activities of discontinued operations	(0.3)	7.6
Net cash used in investing activities	(49.2)	(40.1)
Cash flows from financing activities:
Principal borrowings on term loan	100.0
Proceeds from bond issuance	120.0
Principal payments on debt, including pre-payments	(335.9)	(3.8)
Borrowings on revolving credit facility	190.0
Payments on revolving credit facility	(128.0)
Principal payments under capital lease obligations	(6.8)	(7.2)
Debt issue costs	(4.2)
Dividends paid on convertible perpetual preferred stock	(13.0)	(13.0)
Distributions paid to noncontrolling interests of consolidated affiliates	(22.2)	(18.3)
Other	4.3	0.9
Net cash used in financing activities	(95.8)	(41.4)
Increase in cash and cash equivalents	11.9	91.6
Cash and cash equivalents at beginning of period	48.3	80.7
Less: Cash and cash equivalents of facilities held for sale at end of period	0	0
Cash and cash equivalents at end of period	$ 60.3	$ 172.6