Inventories (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Inventories [Line Items]
Raw materials and supplies	$ 39,431	$ 39,331
Work-in-process	7,995	5,330
Finished goods	41,821	61,589
Total inventories	89,247	106,250
Pre-Launch Inventories [Member]
Inventories [Line Items]
Raw materials and supplies	6,257	7,774
Work-in-process	315	346
Finished goods	1,342	631
Total inventories	$ 7,914	$ 8,751