Operating Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2014 segment		Dec. 31, 2013
Segment Reporting Information [Line Items]
Number of reportable segments					4
Segment Operating Data
Revenue	$ 123,424		$ 108,854		$ 361,837		$ 329,464
Operating income	(8,210)		19,332		(23,224)		(16,167)
Impairment of goodwill and other assets					0		25,971
QSI Dental Division [Member]
Segment Operating Data
Revenue	4,480		5,082		13,379		15,137
Operating income	(1,562)		(1,323)		(3,879)		(4,799)
NextGen Division [Member]
Segment Operating Data
Revenue	92,054		83,881		276,914		250,117
Operating income	(44,372)		(36,834)		(131,983)		(112,449)
Hospital Solutions Division [Member]
Segment Operating Data
Revenue	4,977		2,483		13,318		12,683
Operating income	838		1,969		3,272		4,661
RCM Services Division [Member]
Segment Operating Data
Revenue	21,913		17,408		58,226		51,527
Operating income	(4,364)		(2,722)		(8,932)		(8,630)
Unallocated corporate expense [Member]
Segment Operating Data
Operating income	41,250		58,242		118,298		105,050
Unallocated corporate expense [Member] | Research and development costs [Member]
Segment Operating Data
Operating income	18,468		13,175		51,602		26,404
Unallocated corporate expense [Member] | Amortization of capitalize software costs [Member]
Segment Operating Data
Operating income	3,073		4,050		10,190		9,353
Unallocated corporate expense [Member] | Marketing expense [Member]
Segment Operating Data
Operating income	3,328		2,674		9,439		7,104
Unallocated corporate expense [Member] | Other corporate and overhead costs [Member]
Segment Operating Data
Operating income	16,381	[1]	38,343	[1]	47,067	[1]	62,189	[1]
Impairment of goodwill and other assets	$ 26,000				$ 26,000

[1] Includes the $26.0 million Hospital impairment charge recorded in the three and nine months ended December 31, 2013.