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Supplemental Condensed Consolidating Financial Information (Schedule Of Condensed Consolidating Statements Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Net cash provided by operating activities | $ 127,223 | $ 183,177
Property and equipment additions, net of disposals | (92,563) | (56,558)
Proceeds received from sale of assets and businesses | 53,461 | 991
Costs incurred for purchase and development of electronic health records application | (14,501) | (8,145)
Return of deposit on terminated purchase agreement | 6,500 | 0
Net cash used in investing activities | (47,103) | (63,712)
Reduction of long-term debt | (70,942) | (136,403)
Additional borrowings | 0 | 73,500
Financing costs | 0 | (23,140)
Repurchase of common shares | (2,017) | (3,170)
Dividends paid | (4,832) | (4,876)
Issuance of common stock | 1,016 | 1,251
Profit distributions to noncontrolling interests | (2,575) | (4,025)
Changes in intercompany balances with affiliates, net | 0 | 0
Net cash (used in) provided by financing activities | (79,350) | (96,863)
Increase (decrease) in cash and cash equivalents | 770 | 22,602
Cash and cash equivalents, beginning of period | 41,229 | 29,474
Cash and cash equivalents, end of period | 41,999 | 52,076
Parent [Member] |  |
Net cash provided by operating activities | 93,390 | 59,016
Property and equipment additions, net of disposals | 0 | 0
Proceeds received from sale of assets and businesses | 0 | 0
Costs incurred for purchase and development of electronic health records application | 0 | 0
Return of deposit on terminated purchase agreement | 0 |
Net cash used in investing activities | 0 | 0
Reduction of long-term debt | (69,052) | (135,334)
Additional borrowings |  | 73,500
Financing costs |  | (23,140)
Repurchase of common shares | (2,017) | (3,170)
Dividends paid | (4,832) | (4,876)
Issuance of common stock | 1,016 | 1,251
Profit distributions to noncontrolling interests | 0 | 0
Changes in intercompany balances with affiliates, net | (18,505) | 32,753
Net cash (used in) provided by financing activities | (93,390) | (59,016)
Increase (decrease) in cash and cash equivalents | 0 | 0
Cash and cash equivalents, beginning of period | 0 | 0
Cash and cash equivalents, end of period | 0 | 0
Guarantors [Member] |  |
Net cash provided by operating activities | 10,893 | 109,876
Property and equipment additions, net of disposals | (79,339) | (41,016)
Proceeds received from sale of assets and businesses | 49,984 | 991
Costs incurred for purchase and development of electronic health records application | (14,501) | (8,145)
Return of deposit on terminated purchase agreement | 6,500 |
Net cash used in investing activities | (37,356) | (48,170)
Reduction of long-term debt | (305) | (396)
Additional borrowings |  | 0
Financing costs |  | 0
Repurchase of common shares | 0 | 0
Dividends paid | 0 | 0
Issuance of common stock | 0 | 0
Profit distributions to noncontrolling interests | 0 | 0
Changes in intercompany balances with affiliates, net | 26,964 | (37,292)
Net cash (used in) provided by financing activities | 26,659 | (37,688)
Increase (decrease) in cash and cash equivalents | 196 | 24,018
Cash and cash equivalents, beginning of period | 33,221 | 21,385
Cash and cash equivalents, end of period | 33,417 | 45,403
Non Guarantors [Member] |  |
Net cash provided by operating activities | 22,940 | 14,285
Property and equipment additions, net of disposals | (13,224) | (15,542)
Proceeds received from sale of assets and businesses | 3,477 | 0
Costs incurred for purchase and development of electronic health records application | 0 | 0
Return of deposit on terminated purchase agreement | 0 |
Net cash used in investing activities | (9,747) | (15,542)
Reduction of long-term debt | (1,585) | (673)
Additional borrowings |  | 0
Financing costs |  | 0
Repurchase of common shares | 0 | 0
Dividends paid | 0 | 0
Issuance of common stock | 0 | 0
Profit distributions to noncontrolling interests | (2,575) | (4,025)
Changes in intercompany balances with affiliates, net | (8,459) | 4,539
Net cash (used in) provided by financing activities | (12,619) | (159)
Increase (decrease) in cash and cash equivalents | 574 | (1,416)
Cash and cash equivalents, beginning of period | 8,008 | 8,089
Cash and cash equivalents, end of period | 8,582 | 6,673
Consolidating Adjustments [Member] |  |
Net cash provided by operating activities | 0 | 0
Property and equipment additions, net of disposals | 0 | 0
Proceeds received from sale of assets and businesses | 0 | 0
Costs incurred for purchase and development of electronic health records application | 0 | 0
Return of deposit on terminated purchase agreement | 0 |
Net cash used in investing activities | 0 | 0
Reduction of long-term debt | 0 | 0
Additional borrowings |  | 0
Financing costs |  | 0
Repurchase of common shares | 0 | 0
Dividends paid | 0 | 0
Issuance of common stock | 0 | 0
Profit distributions to noncontrolling interests | 0 | 0
Changes in intercompany balances with affiliates, net | 0 |
Net cash (used in) provided by financing activities | 0 | 0
Increase (decrease) in cash and cash equivalents | 0 | 0
Cash and cash equivalents, beginning of period | 0 | 0
Cash and cash equivalents, end of period | $ 0 | $ 0

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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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