Other Current Liabilities (Schedule Of Components Of Other Current Liabilities) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	$ 14,861	$ 16,023
Salaries And Related Expenses [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	3,870	2,460
Legal And Professional Fees [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	1,477	1,691
Severance [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	1,399	271
Selling And Marketing Expense Accrual [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	1,367	1,317
Accrued Interest - Tax [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	962	962
Allowance For Product Returns [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	887	469
Accrued Taxes [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	865	733
Manufacturing And Technology Transfer Services [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	789	5,076
Returned Product Liability [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	545	679
Allowance For Product Rebates [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	452	318
Other [Member]
Accelerated Share Repurchases [Line Items]
Other Current Liabilities	$ 2,248	$ 2,047