Segments (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Revenues	$ 314,027	$ 245,535	$ 222,407
Cost of Revenue	143,439	109,751	104,490
Gross profit	170,588	135,784	117,917
Gross Margin Percentage	54.30%	55.30%	53.00%
Operating Expenses	143,462	119,562	108,391
Income from operations	27,126	16,222	9,526
Operating margin percentage	8.60%	6.60%	4.30%
Interest and other income (expense), net	(51)	(133)	431
Income before provision for income taxes	27,075	16,089	9,957
Provision for income taxes	10,897	5,700	5,065
Net income	16,178	10,389	4,892
Segment Reporting Information, Net Assets	441,819	363,849	343,224
Depreciation and amortization	13,325	7,983	8,619
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets	15,187	8,685	6,890
Acute Care Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	260,160	245,535	222,407
Cost of Revenue	111,599	109,751	104,490
Gross profit	148,561	135,784	117,917
Gross Margin Percentage	57.10%	55.30%	53.00%
Operating Expenses	127,467	119,562	108,391
Income from operations	21,094	16,222	9,526
Operating margin percentage	8.10%	6.60%	4.30%
Segment Reporting Information, Net Assets	235,186	363,849	343,224
Depreciation and amortization	9,657	7,983	8,619
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets	13,889	8,685	6,890
Non-acute care solutions [Member]
Segment Reporting Information [Line Items]
Revenues	53,867
Cost of Revenue	31,840
Gross profit	22,027
Gross Margin Percentage	40.90%
Operating Expenses	15,995
Income from operations	6,032
Operating margin percentage	11.20%
Segment Reporting Information, Net Assets	206,633
Depreciation and amortization	3,668
Segment Reporting Information, Expenditures for Additions to Long-Lived Assets	1,298
MTS-Medication Technologies [Member]
Segment Reporting Information [Line Items]
Revenues	47,200
MTS-Medication Technologies [Member] | Non-acute care solutions [Member]
Segment Reporting Information [Line Items]
Net income	2,900
COS relief of FV inventory step-up and misc [Member] | MTS-Medication Technologies [Member] | Non-acute care solutions [Member]
Segment Reporting Information [Line Items]
Cost of Revenue	1,700
Acq trransaction costs [Member] | MTS-Medication Technologies [Member] | Acute Care Solutions [Member]
Segment Reporting Information [Line Items]
Operating Expenses	2,300
Severance and misc cost [Member] | MTS-Medication Technologies [Member] | Non-acute care solutions [Member]
Segment Reporting Information [Line Items]
Operating Expenses	$ 900