Contingencies and Other Commitments - Textual (Details) (USD $)		12 Months Ended						12 Months Ended		3 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Litigation, Former Officers [Member]	Dec. 31, 2013 Derivative Litigation [Member]	Dec. 31, 2012 Derivative Litigation [Member]	Dec. 31, 2011 Derivative Litigation [Member]	Dec. 31, 2009 Derivative Litigation [Member]	Jan. 11, 2007 Derivative Litigation [Member]	Dec. 31, 2004 Litigation, General Medicine [Member]	Dec. 31, 1995 Litigation, General Medicine [Member]	Sep. 30, 2010 Litigation, Sulton [Member]	Dec. 31, 2011 Litigation, Sulton [Member]	Dec. 31, 2013 HHS-OIG Investigation [Member]	Mar. 04, 2013 HHS-OIG Investigation [Member]	Dec. 31, 2011 Delaware Settlement [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement		$ 5,000,000	$ 9,300,000	$ 3,500,000	$ 12,300,000
Litigation Settlement, Gross						2,900,000,000
Net Recoveries, Percentage Owed to Federal Plaintiffs							25.00%
Net Recoveries, Percentage Owed to Derivative Litigation Attorneys							35.00%
Litigation Settlement, Expense			3,300,000	1,400,000	5,200,000
Long-term Purchase Commitment, Time Period									three years
Consent Judgment Awarded to Plaintiff								376,000,000
Annual Percentage Rate								10.00%
Loss Contingency, Litigation Settlement, Consideration								300,000
Damages Awarded, Plaintiff										12,300,000
Loss Contingency, Liability Recorded, Current											12,300,000
Loss Contingency, Receivable Recorded, Current											7,700,000
Number o hospitals that received subpoenas													4
Compliance Threshold Under Health Care Act	60.00%											60.00%
Number of patient medical records requested for each hospital in subpoenas													100
Gain Related to Settlement, Audits of Unclaimed Property														25,300,000
Gain Related to Settlement, Audits of Unclaimed Property, Included in Income from Discontinued Operations, Net of Tax														24,800,000
Purchase Obligations, Due Within One Year	26,300,000
Purchase Obligations, Due within Two Years	26,400,000
Purchase Obligations, Due Within Three Years	22,000,000
Purchase Obligations, Due Within Four Years	10,800,000
Purchase Obligations, Due Within Five Years	10,100,000
Purchase Obligations, Due After Five Years	$ 25,800,000