Restructuring Costs (Details) (USD $) In Thousands, unless otherwise specified		1 Months Ended			12 Months Ended		12 Months Ended
	Dec. 31, 2011	Jan. 31, 2013 Employee Severance [Member] Strativa Restructuring [Member] employee	Jun. 30, 2011 Employee Severance [Member] Strativa Restructuring [Member] employee	Dec. 31, 2011 Intangible Asset Impairment [Member]	Dec. 31, 2013 Intangible Asset Impairment [Member] Strativa Restructuring [Member]	Dec. 31, 2011 Commercial Inventory Write Down Classified As Cost Of Goods Sold [Member]	Dec. 31, 2013 Employee Severance and Termination Benefits [Member] Strativa Restructuring [Member]	Dec. 31, 2013 Total Restructuring Costs [Member] Strativa Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Workforce reduction, number of employees		70	90
Number of positions remaining		60
Restructuring Reserve [Roll Forward]
Initial Charge	$ 27,660			$ 24,226	$ 403	$ 674	$ 1,413	$ 1,816
Cash Payments					0		(1,303)	(1,303)
Non-Cash Charge Related to Inventory and/or Intangible Assets					(403)		0	(403)
Reversals, Reclass or Transfers					0		(4)	(4)
Liabilities at December 31, 2013	$ 27,660			$ 24,226	$ 0	$ 674	$ 106	$ 106