Discontinued Operations and Assets Held For Sale - Additional Information (Detail)	3 Months Ended		12 Months Ended
	Jun. 30, 2014 Agencies	Mar. 31, 2014 Agencies	Dec. 31, 2013 Agencies
Home Health [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of care centers consolidated	18	3	41
Number of care centers closed	18	4	10
Number of care centers available for sale			28
Number of care centers sold			19
Number of care centers available for sale at year end	0		3
Home Health [Member] | Available For Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of care centers consolidated		1
Number of care centers sold	1	1
Hospice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of care centers consolidated	4		5
Number of care centers closed	3	1
Number of care centers sold			1