Exit Activities (Schedule Of Exit Activities) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended					12 Months Ended
	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Dec. 31, 2011	Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs	$ 3.1	$ 0.7	$ 3.2	$ 4.2	$ 0.9	$ 5.2	$ 14.6
Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						4.7	13.0
Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.5	1.6
Intangible Write-Off [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						1.1	2.2
Intangible Write-Off [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.7	2.1
Intangible Write-Off [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.4	0.1
Asset Write-Off [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.4
Asset Write-Off [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.4
Relocation Costs [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.7
Relocation Costs [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.6
Relocation Costs [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.1
Severance [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.7	0.7
Severance [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.7	0.6
Severance [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.1
Lease Terminations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						3.0	11.0
Lease Terminations [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						2.9	9.7
Lease Terminations [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.1	1.3
Consolidations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						2.6	12.4
Consolidations [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						2.3	11.4
Consolidations [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.3	1.0
Consolidations [Member] | Intangible Write-Off [Member] | Intangible Assets [Member] | Depreciation And Amortization [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.8	2.0
Consolidations [Member] | Intangible Write-Off [Member] | Intangible Assets [Member] | Depreciation And Amortization [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.6	1.9
Consolidations [Member] | Intangible Write-Off [Member] | Intangible Assets [Member] | Depreciation And Amortization [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2	0.1
Consolidations [Member] | Asset Write-Off [Member] | Property And Equipment [Member] | Miscellaneous, Net [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2
Consolidations [Member] | Asset Write-Off [Member] | Property And Equipment [Member] | Miscellaneous, Net [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2
Consolidations [Member] | Relocation Costs [Member] | Accrued Expenses [Member] | General And Administrative - Other [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.6
Consolidations [Member] | Relocation Costs [Member] | Accrued Expenses [Member] | General And Administrative - Other [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.5
Consolidations [Member] | Relocation Costs [Member] | Accrued Expenses [Member] | General And Administrative - Other [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.1
Consolidations [Member] | Severance [Member] | Payroll And Employee Benefits [Member] | General And Administrative - Salaries And Benefits [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2	0.4
Consolidations [Member] | Severance [Member] | Payroll And Employee Benefits [Member] | General And Administrative - Salaries And Benefits [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2	0.4
Consolidations [Member] | Lease Terminations [Member] | Accrued Expenses [Member] | General And Administrative - Other [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						1.4	9.4
Consolidations [Member] | Lease Terminations [Member] | Accrued Expenses [Member] | General And Administrative - Other [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						1.3	8.6
Consolidations [Member] | Lease Terminations [Member] | Accrued Expenses [Member] | General And Administrative - Other [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.1	0.8
Closures [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						2.6	2.2
Closures [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						2.4	1.6
Closures [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2	0.6
Closures [Member] | Intangible Write-Off [Member] | Intangible Assets [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.3	0.2
Closures [Member] | Intangible Write-Off [Member] | Intangible Assets [Member] | Discontinued Operations [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.1	0.2
Closures [Member] | Intangible Write-Off [Member] | Intangible Assets [Member] | Discontinued Operations [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2
Closures [Member] | Asset Write-Off [Member] | Property And Equipment [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2
Closures [Member] | Asset Write-Off [Member] | Property And Equipment [Member] | Discontinued Operations [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.2
Closures [Member] | Relocation Costs [Member] | Accrued Expenses [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.1
Closures [Member] | Relocation Costs [Member] | Accrued Expenses [Member] | Discontinued Operations [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.1
Closures [Member] | Severance [Member] | Payroll And Employee Benefits [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.5	0.3
Closures [Member] | Severance [Member] | Payroll And Employee Benefits [Member] | Discontinued Operations [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						0.5	0.2
Closures [Member] | Severance [Member] | Payroll And Employee Benefits [Member] | Discontinued Operations [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							0.1
Closures [Member] | Lease Terminations [Member] | Accrued Expenses [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						1.6	1.6
Closures [Member] | Lease Terminations [Member] | Accrued Expenses [Member] | Discontinued Operations [Member] | Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs						1.6	1.1
Closures [Member] | Lease Terminations [Member] | Accrued Expenses [Member] | Discontinued Operations [Member] | Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs							$ 0.5