Operating Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Segment Operating Data
Revenue	$ 115,203	$ 108,854	$ 111,081	$ 109,529	$ 111,295	$ 114,510	$ 116,128	$ 118,296	$ 444,667	$ 460,229	$ 429,835
Operating income	6,921	(19,332)	15,946	19,553	(2,135)	23,384	24,344	23,507	23,088	69,100	116,199
QSI Dental Division [Member]
Segment Operating Data
Revenue									19,840	19,990	19,596
Operating income									2,828	3,020	3,352
NextGen Division [Member]
Segment Operating Data
Revenue									341,120	344,315	325,467
Operating income									109,313	120,974	127,032
Hospital Solutions Division [Member]
Segment Operating Data
Revenue									15,614	31,413	34,463
Operating income									(26,801)	(4,354)	10,417
RCM Services Division [Member]
Segment Operating Data
Revenue									68,093	64,511	50,309
Operating income									8,465	8,180	5,835
Unallocated corporate expense [Member]
Segment Operating Data
Operating income									$ (70,717)	$ (58,720)	$ (30,437)