Organization and Summary of Significant Accounting Policies Income tax disclosure (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Income tax Fn 1 disclosures [Line Items]
effective tax rate before discrete items	41.50%	40.30%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%	35.00%
effective tax rate after discrete items	39.60%	38.40%
Unrecognized Tax Benefits	$ 8,400,000		$ 5,800,000
Unrecognized Tax Benefits, Period Increase (Decrease)	2,600,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	7,100,000		4,600,000
MTS-Medication Technologies [Member]
Income tax Fn 1 disclosures [Line Items]
Unrecognized Tax Benefits, Increases Resulting from Acquisition	$ 1,000,000