Operating Segment Information (Details) - USD ($)	3 Months Ended								12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Segment Operating Data
Revenue	$ 132,385,000	$ 127,868,000	$ 127,166,000	$ 122,205,000	$ 127,912,000	$ 117,032,000	$ 125,369,000	$ 122,164,000	$ 509,624,000	$ 492,477,000	$ 490,225,000
Gross Profit	76,415,000	73,516,000	71,169,000	65,390,000	68,657,000	63,247,000	68,771,000	66,187,000	286,490,000	266,862,000	267,061,000
Operating income	(6,655,000)	(13,461,000)	(6,769,000)	(128,000)	22,605,000	(8,437,000)	(12,496,000)	(9,034,000)	(27,013,000)	(7,362,000)	(35,956,000)
Research and development costs, net	$ 22,111,000	$ 19,714,000	$ 18,292,000	$ 18,224,000	$ 16,077,000	$ 14,518,000	$ 17,981,000	$ 17,085,000	78,341,000	65,661,000	69,240,000
Amortization of capitalized software costs									7,892,000	9,891,000	12,817,000
Software and Related Solutions [Member]
Segment Operating Data
Revenue									423,593,000	398,449,000	395,259,000
Gross Profit									278,121,000	252,136,000	256,922,000
RCM Services Division [Member]
Segment Operating Data
Revenue									86,031,000	86,559,000	76,962,000
Gross Profit									28,274,000	27,694,000	21,514,000
Hospital Solutions Division [Member]
Segment Operating Data
Revenue									0	7,469,000	18,004,000
Gross Profit									0	2,568,000	4,876,000
Unallocated Cost of Revenue [Member]
Segment Operating Data
Gross Profit									$ (19,905,000)	$ (15,536,000)	$ (16,251,000)