Discontinued Operations (Details Textual) (USD $)	12 Months Ended			12 Months Ended		12 Months Ended		1 Months Ended		9 Months Ended	12 Months Ended				3 Months Ended	12 Months Ended		1 Months Ended	9 Months Ended		12 Months Ended
Discontinued Operations (Details Textual) (USD $)	Sep. 22, 2011	Sep. 30, 2010	Feb. 28, 2010	Sep. 30, 2012 Coastal Carolina Heart [Member]	May 05, 2011 Coastal Carolina Heart [Member]	Sep. 22, 2011 Central New Jersey Heart Services LLC [Member]	Dec. 31, 2010 Central New Jersey Heart Services LLC [Member]	Aug. 31, 2011 Arkansas Heart Hospital [Member]	Aug. 01, 2011 Arkansas Heart Hospital [Member]	Jun. 30, 2012 Heart Hospital of New Mexico [Member]	Sep. 30, 2011 Heart Hospital of New Mexico [Member]	Aug. 01, 2011 Heart Hospital of New Mexico [Member]	May 04, 2011 Cardiac diagnostic and therapeutic facilities [Member]	Nov. 30, 2010 TexSan Heart Hospital [Member]	Sep. 30, 2010 Southwest Arizona Heart and Vascular Center, LLC [Member]	Sep. 30, 2011 Southwest Arizona Heart and Vascular Center, LLC [Member]	Nov. 01, 2010 Southwest Arizona Heart and Vascular Center, LLC [Member]	Aug. 31, 2010 Arizona Heart Hospital [Member]	Jun. 30, 2011 Heart Hospital of Austin [Member]	Feb. 28, 2010 Heart Hospital of Austin [Member]	Sep. 30, 2011 MedCath [Member]	Feb. 28, 2010 MedCath [Member] Wilmington Heart Services [Member]	Sep. 30, 2012 Dayton Heart Hospital [Member]	Sep. 30, 2011 Dayton Heart Hospital [Member]
Discontinued Operations (Textual) [Abstract]
Value of assets sold					$ 5,000,000		$ 600,000		$ 73,000,000			$ 119,000,000	$ 25,000,000	$ 76,250,000			$ 7,000,000	$ 32,000,000		$ 83,800,000
Gain sale of equity interest	15,391,000			4,600,000		200,000
Percentage of ownership held by company					9.20%		14.80%					74.80%										15.00%
Value of assets sold			400,000
Net proceeds from the sale										22,000,000
Net realizable value expected from the sale proceeds															1,800,000
Gain included in income from discontinued operations																32,400,000
Assumption of capital leases																		300,000
Impairment charge																		5,200,000
Gain included in income from discontinued operations	202,573,000	(151,000)						18,800,000			90,400,000								35,700,000		21,300,000
Reserves raised out of outlier payment																							$ 0	$ 10,000,000

MEDCATH CORP 10-K