Summary Of Significant Accounting Policies (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Percentage of total reimbursement of an outlier payment			10.00%
Episode of care as episodic-based revenue, days	60		60
Medicare payment program based on episode payment rate, days			60
First threshold of therapy services required			6
Second threshold of therapy services required			14
Third threshold of therapy services required			20
Minimum historical collection rate on Medicare claims			99.00%
Episodes of progress that begin during reporting period, days			60
Hospice Medicare revenue rate accounted for routine care	97.00%	98.00%	97.00%	97.00%
Estimated amounts due back to Medicare					$ 1.9
Portion of accounts receivable derived from Medicare			71.00%		76.00%
Revenue adjustment to Medicare revenue	2.5	1.5	4.9	1.7
Minimum days for accounts receivable outstanding to be fully reserved			360
Rate of request for anticipated payment submitted for the initial episode of care			60.00%
Rate of request for anticipated payment submitted for subsequent episodes of care			50.00%
Maximum days to submit final bill from the start of episode			120
Maximum days to submit final bill from the date the request for anticipated payment was paid			60
Long-term obligations	163.3		163.3
Weighted average number of shares outstanding - basic	28,625	28,106	28,495	27,963
Stock options	80	151	86	163
Non-vested stock and stock units	305	340	357	352
Weighted average number of shares outstanding - diluted	29,010	28,597	28,938	28,478
Anti-dilutive securities	2	53
Cap Year 2010 [Member]
Estimated amounts due back to Medicare	3.2		3.2
Cap Year 2011 [Member]
Estimated amounts due back to Medicare	3.2		3.2
Significant Other Observable Inputs (Level 2) [Member]
Long-term obligations	$ 171.3		$ 171.3