Operating Segment Information (Details) (USD $) In Thousands	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Segment Operating Data
Revenue	$ 100,442	$ 82,927
Operating income	28,819	19,027
QSI Dental Division [Member]
Segment Operating Data
Revenue	5,096	5,352
Operating income	1,278	1,591
Next Gen Division [Member]
Segment Operating Data
Revenue	74,624	62,671
Operating income	29,325	22,554
Inpatient Solutions Division [Member]
Segment Operating Data
Revenue	7,290	3,159
Operating income	3,062	235
Practice Solutions Division [Member]
Segment Operating Data
Revenue	13,432	11,745
Operating income	2,041	187
Unallocated corporate expense [Member]
Segment Operating Data
Operating income	$ (6,887)	$ (5,540)