Restructuring Costs (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2008
Restructuring and Related Cost [Abstract]
Initial Charge		$ 27,660
Cash Payments		(1,556)
Non-Cash Charge Related to Inventory and/or Intangible Assets		(26,104)
Reversals, Reclass or Transfers
Liabilities at December 31, 2011
Workforce reduction, number of employees	90		190
Strativa [Member]
Restructuring and Related Cost [Abstract]
Workforce reduction, number of employees	90
Intangible Asset Impairments [Member]
Restructuring and Related Cost [Abstract]
Initial Charge		24,226
Non-Cash Charge Related to Inventory and/or Intangible Assets		(24,226)
Reversals, Reclass or Transfers
Liabilities at December 31, 2011
Severance And Employee Benefits To Be Paid In Cash [Member]
Restructuring and Related Cost [Abstract]
Initial Charge		1,556
Cash Payments		(1,556)
Reversals, Reclass or Transfers
Liabilities at December 31, 2011
Sample Inventory Write-Down And Other [Member]
Restructuring and Related Cost [Abstract]
Initial Charge		1,204
Non-Cash Charge Related to Inventory and/or Intangible Assets		(1,204)
Reversals, Reclass or Transfers
Liabilities at December 31, 2011
Total Restructuring Costs Line Item [Member]
Restructuring and Related Cost [Abstract]
Initial Charge		26,986
Cash Payments		(1,556)
Non-Cash Charge Related to Inventory and/or Intangible Assets		(25,430)
Reversals, Reclass or Transfers
Liabilities at December 31, 2011
Commercial Inventory Write-Down Classified As Cost Of Goods Sold [Member]
Restructuring and Related Cost [Abstract]
Initial Charge		674
Non-Cash Charge Related to Inventory and/or Intangible Assets		(674)
Reversals, Reclass or Transfers
Liabilities at December 31, 2011