Commitments And Other Matters (Narrative) (USD $) In Thousands, unless otherwise specified	1 Months Ended		12 Months Ended							12 Months Ended
	Dec. 31, 2011	Nov. 30, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Traville Lease [Member]	Dec. 31, 2006 Traville Lease [Member]	Dec. 31, 2011 MEDCO Lease [Member]	Dec. 31, 2010 MEDCO Lease [Member]	Dec. 31, 2011 Minimum [Member] MEDCO Lease [Member]	Dec. 31, 2011 Maximum [Member] MEDCO Lease [Member]
Commitments and Other Matters [Line Items]
Operating lease commitment						$ 324,546	$ 16,653
Annual base rent under the leases during 2011								1,108
Estimated annual base rent under the leases in 2012								2,036
Aggregate rental payments	324,546		324,546			307,243
Percentage of annual lease escalation						2.00%
Purchase price option						303,000				21,000	34,000
Operating lease purchase option exercised					5,300
Number of long term leases								2
Number of new securities class actions filed in U.S. District Court against the Company	3	2
Long-term leases expiration								January 1, 2019
Letters of credit, expiration date								December 2012
Restricted investments, aggregate cost								35,900	35,400
Deferred rent liability	11,795		11,795	10,358
Rent expense aggregated			19,976	20,949	22,357
Employee contributions to 401(k), maximum			100.00%
Company's contribution to 401(k)			5,257	2,592	1,645
Current inventory of raw materials and work in process relating to anticipated future orders	10,785		10,785
Operating Leases, Future Minimum Payments Due, Current	$ 21,305		$ 21,305