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Accounts Receivable And Net Patient Service Revenue (Schedule Of Net Patient Service Revenue) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2010 | Sep. 30, 2010 | Jun. 30, 2010 | Mar. 31, 2010 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Accounts Receivable And Net Patient Service Revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |
Gross patient service revenue |  |  |  |  |  |  |  |  | $ 4,851,500 | $ 4,140,312 | $ 3,658,459
Contractual adjustments and uncollectibles |  |  |  |  |  |  |  |  | (3,362,081) | (2,825,827) | (2,444,222)
Hospital contract administrative fees |  |  |  |  |  |  |  |  | 98,829 | 87,074 | 74,027
Net patient service revenue | $ 404,898 | $ 407,665 | $ 393,402 | $ 382,283 | $ 368,480 | $ 351,058 | $ 349,094 | $ 332,927 | $ 1,588,248 | $ 1,401,559 | $ 1,288,264

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- Definition Health care organization patient service revenue, gross. + References No definition available. + Details
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- Definition Losses recognized when it is probable that a loss has been incurred and the amount of the loss can be reasonably estimated, i.e., when it is probably that expected future health care costs and maintenance costs under existing contracts will exceed anticipated future premiums and stop-loss insurance recoveries on those contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-HCO -Chapter 13 -Paragraph 6 -IssueDate 2006-05-01 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 450 -Section 30 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6491336&loc=d3e5919-115623 + Details
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- Definition Amount of revenue recognized during the period for providing services to patients, primarily on an inpatient or outpatient basis and from office visits. For financial reporting purposes, patient service revenue is reflected net of provisions for contractual allowances (the amount needed to reduce the entity's gross billing rates to agreed-upon rates in contracts with third-party payers) and other adjustments. Significant revenue earned under capitation arrangements is reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-HCO -Chapter 8 -Paragraph 10 -IssueDate 2006-05-01 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6491461&loc=d3e8184-115640 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 605 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6491461&loc=d3e8195-115640 + Details
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- Definition Expenses such as legal, investment and trust fees incurred by the health care trust during the accounting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-HCO -Chapter 8 -Paragraph 21, 22, 23 -IssueDate 2006-05-01 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 810 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6875368&loc=d3e10314-115658 + Details
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