Commitments and Contigencies (Detail) (USD $)	3 Months Ended	4 Months Ended	6 Months Ended		49 Months Ended		9 Months Ended	7 Months Ended	10 Months Ended	22 Months Ended	2 Months Ended	1 Months Ended			6 Months Ended	27 Months Ended	5 Months Ended	3 Months Ended
	Mar. 31, 2014	May 02, 2014	Jun. 30, 2014	Jun. 30, 2013	May 31, 2012	Dec. 31, 2013	Sep. 13, 2012 Wage and Hour Litigation [Member] Illinois [Member] Employee	Jul. 25, 2012 Wage and Hour Litigation [Member] Connecticut [Member] Employee	Nov. 05, 2013 ERISA Class Action Lawsuit [Member]	Nov. 10, 2009 Home Health [Member] Ohio [Member] Claims	Mar. 09, 2011 Home Health [Member] Extrapolated [Member] Ohio [Member] Claims	Jan. 31, 2014 Home Health [Member] Unfavorable [Member] Ohio [Member] Claims	Jan. 31, 2014 Home Health [Member] Favorable In Full [Member] Ohio [Member] Claims	Jan. 31, 2014 Home Health [Member] Favorable In Part [Member] Ohio [Member] Claims	Jun. 30, 2014 Home Health [Member] OIG Self-Disclosure [Member]	Mar. 31, 2010 Hospice [Member] South Carolina [Member] Beneficiary	Jun. 06, 2011 Hospice [Member] Extrapolated [Member] South Carolina [Member] Beneficiary	Mar. 12, 2014 Hospice [Member] OIG Self-Disclosure [Member]	Sep. 30, 2013 Hospice [Member] OIG Self-Disclosure [Member]	Dec. 31, 2013 Hospice [Member] OIG Self-Disclosure [Member]
Commitments and Contingencies Disclosure [Line Items]
Medicare Revenue					$ 4,000,000
Number of former employees who filled a putative collective and class action complaint							1	3
Number of claims submitted by subsidiary										137	114	28	76	10
Recovery amount of the overpayment made to the subsidiary											5,600,000						6,100,000
Number of claims appealed													74	8
Health insurance retention limit			900,000
Workers' compensation insurance retention limit			500,000
Professional liability insurance retention limit			300,000
Number of beneficiaries																30	16
Loss Contingency, Settlement Agreement, Consideration									1,200,000									2,000,000
U.S. Department Of Justice Settlement			(115,000,000)	0
Payment Upon Execution Of U.S. Department Of Justice Settlement		116,500,000	115,000,000
Final Payment Of U.S. Department Of Justice Settlement			35,000,000
Accrued Charge Related To U.S. Department Of Justice Settlement			35,000,000			150,000,000
Loss Contingency, Estimate of Possible Loss																				2,000,000
Loss Contingency Accrual															1,900,000				1,000,000
Relators' Attorneys' Fees For U.S. Department of Justice Settlement	$ 3,900,000
Corporate Integrity Agreement Term			5 years