Acquisitions (Schedule Of Acquisitions) (Details) (USD $) In Millions, unless otherwise specified	Jun. 07, 2011	Dec. 31, 2010	Feb. 01, 2010 DeQueen Home Health (Arkansas) [Member]		Apr. 05, 2010 Bluewater Hospice (Alabama) [Member]		Jun. 30, 2010 Pocahontas Memorial Hospital (West Virginia) [Member]		Dec. 31, 2010 Valley Baptist (Texas) [Member]		Dec. 31, 2010 Home Health [Member]	Feb. 01, 2010 Home Health [Member] DeQueen Home Health (Arkansas) [Member]		Jun. 30, 2010 Home Health [Member] Pocahontas Memorial Hospital (West Virginia) [Member]		Dec. 31, 2010 Home Health [Member] Valley Baptist (Texas) [Member]		Dec. 31, 2010 Hospice [Member]	Apr. 05, 2010 Hospice [Member] Bluewater Hospice (Alabama) [Member]
Business Acquisition [Line Items]
Purchase Price, Cash		$ 3.8	$ 2.0	[1]	$ 0.7	[1]	$ 0.4	[1]	$ 0.7	[1]
Purchase Price, Promissory Note		0.8	0.5	[1]	0.3	[1]
Purchase Price Allocation, Goodwill	110.4	4.5	2.2	[1]	1.1	[1]	0.2	[1]	1.0	[1]
Purchase Price Allocation, Other Intangible Assets		0.6	0.3	[1]	0.1	[1]	0.2	[1]
Purchase Price Allocation, Other Assets (Liabilities), Net		$ (0.5)			$ (0.2)	[1]			$ (0.3)	[1]
Number of Care Centers											3	1	[1]	1	[1]	1	[1]	1	1	[1]
Number of States			1	[1]	1	[1]	1	[1]	1	[1]
Ownership interest									70.00%

[1] The acquisitions marked with the cross symbol (†) were asset purchases.