Summary Of Significant Accounting Policies (Sales-Related Reserves For Medicaid Rebates And Tricare Rebates) (Details) (Medicaid Rebates [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Summary Of Significant Accounting Policies [Line Items]
Sales-related reserves	$ 22,961	$ 30,981	$ 30,542	$ 33,921
Actual Payments For Sales Made In Prior Year [Member]
Summary Of Significant Accounting Policies [Line Items]
Sales-related reserves	(19,071)		(21,463)
Actual Payments For Sales Made In Current Year [Member]
Summary Of Significant Accounting Policies [Line Items]
Sales-related reserves	(6,799)		(6,923)
Current Provision For Sales Made In Prior Year [Member]
Summary Of Significant Accounting Policies [Line Items]
Sales-related reserves	(4,545)		11,497
Current Provision For Sales Made In Current Year [Member]
Summary Of Significant Accounting Policies [Line Items]
Sales-related reserves	$ 22,395		$ 13,510