Exit Activities (Detail) (USD $)	3 Months Ended	6 Months Ended		3 Months Ended		12 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended
	Mar. 31, 2014 Agencies	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Home Health [Member] Agencies	Mar. 31, 2014 Home Health [Member] Agencies	Dec. 31, 2013 Home Health [Member] Agencies	Jun. 30, 2014 Hospice [Member] Agencies	Mar. 31, 2014 Hospice [Member] Agencies	Dec. 31, 2013 Hospice [Member] Agencies	Mar. 31, 2014 Lease Termination [Member]	Mar. 31, 2014 Intangibles Write Off [Member]	Mar. 31, 2014 Severance For Former Executive [Member]	Mar. 31, 2014 Severance For Regional Leadership And Corporate Support [Member]	Mar. 31, 2014 Severance For Exit Activities [Member]	Jun. 30, 2014 Available For Sale [Member] Home Health [Member] Agencies	Mar. 31, 2014 Available For Sale [Member] Home Health [Member] Agencies	Apr. 17, 2014 Wyoming and Idaho Care Centers [Member]	Apr. 17, 2014 Wyoming and Idaho Care Centers [Member] Home Health [Member] Agencies	Apr. 17, 2014 Wyoming and Idaho Care Centers [Member] Hospice [Member] Agencies
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs										$ 2,100,000	$ 2,200,000	$ 2,300,000	$ 3,400,000	$ 2,100,000
Gain on sale of care centers		2,967,000	357,000												200,000	600,000	2,100,000
Proceeds from dispositions of care centers, net of cash sold		$ 2,233,000	$ 2,082,000												$ 200,000	$ 600,000	$ 5,000,000
Number of care centers available for sale						28
Number of care centers consolidated				18	3	41	4		5							1
Number of care centers sold						19			1						1	1		5	4
Number of care centers closed				18	4	10	3	1
Number of care centers included in divestiture plan	43
Number of care centers available for sale at year end				0		3