Summary Of Significant Accounting Policies (Assets Measured At Fair Value On A Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	$ 82,640	$ 82,517
Liabilities	106,777	107,752
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	19,216	5,260
Liabilities	0	0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	63,424	77,257
Liabilities	0	0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	0	0
Liabilities	106,777	107,752
Fair Value of Level 3 Instruments [Roll Forward]
Balance at beginning of period	107,752
Amounts acquired or issued	(4,581)
Change due to compensation expense	1,059
Change due to time value of money	2,382
Change due to foreign currency translation adjustment	165
Changes in fair value	0
Balance at end of period	106,777
Cash and Cash Equivalents [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	21,566	13,351
Cash and Cash Equivalents [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	19,216	5,260
Cash and Cash Equivalents [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	2,350	8,091
Cash and Cash Equivalents [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	0	0
Corporate Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	32,877	45,187
Corporate Bonds [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	0	0
Corporate Bonds [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	32,877	45,187
Corporate Bonds [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	0	0
Government-Sponsored Enterprises [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	12,028	14,538
Government-Sponsored Enterprises [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	0	0
Government-Sponsored Enterprises [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	12,028	14,538
Government-Sponsored Enterprises [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	0	0
Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	16,169	9,441
Municipal Bonds [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	0	0
Municipal Bonds [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	16,169	9,441
Municipal Bonds [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Assets	0	0
BioVectra [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Current portion of contingent consideration	4,124	4,238
Non-current portion of contingent consideration	30,642	33,224
Fair Value Inputs [Abstract]
Discount rate	5.00%
BioVectra [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Current portion of contingent consideration	0	0
Non-current portion of contingent consideration	0	0
BioVectra [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Current portion of contingent consideration	0	0
Non-current portion of contingent consideration	0	0
BioVectra [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Current portion of contingent consideration	4,124	4,238
Non-current portion of contingent consideration	30,642	33,224
BioVectra [Member] | Probability Weighted Discounted Future Cash Flows [Member] | Level 3 [Member]
Fair Value Inputs [Abstract]
Contingent consideration estimate	34,766
Synacthen [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Non-current portion of contingent consideration	72,011	70,290
Fair Value Inputs [Abstract]
Discount rate	5.00%
Synacthen [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Non-current portion of contingent consideration	0	0
Synacthen [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Non-current portion of contingent consideration	0	0
Synacthen [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Non-current portion of contingent consideration	72,011	70,290
Synacthen [Member] | Probability Weighted Discounted Future Cash Flows [Member] | Level 3 [Member]
Fair Value Inputs [Abstract]
Contingent consideration estimate	$ 72,011