Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 4,612	$ 4,472
Property, Plant and Equipment, Additions	2,551	3,338
Revenues	101,764	87,110
Cost of Revenue	47,269	41,743
Gross profit	54,495	45,367
Gross Margin Percentage	53.60%	52.10%
Operating Expenses	44,541	41,198
Income from operations	9,954	4,169
Operating margin percentage	9.80%	4.80%
Interest and other income (expense), net	(256)	(223)
Income before provision for income taxes	9,698	3,946
Provision for income taxes	3,504	561
Net income	6,194	3,385
Automation and Analytics [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	2,898	2,899
Property, Plant and Equipment, Additions	1,748	1,000
Revenues	81,499	68,713
Cost of Revenue	34,940	30,276
Gross profit	46,559	38,437
Gross Margin Percentage	57.10%	55.90%
Operating Expenses	37,402	33,104
Income from operations	9,157	5,333
Operating margin percentage	11.20%	7.80%
Medication Adherence [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	1,714	1,573
Property, Plant and Equipment, Additions	803	2,338
Revenues	20,265	18,397
Cost of Revenue	12,329	11,467
Gross profit	7,936	6,930
Gross Margin Percentage	39.20%	37.70%
Operating Expenses	7,139	8,094
Income from operations	$ 797	$ (1,164)
Operating margin percentage	3.90%	(6.30%)