Inventories (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Inventories [Line Items]
Raw materials and supplies	$ 40,172	$ 39,331
Work-in-process	8,530	5,330
Finished goods	44,094	61,589
Total inventories	92,796	106,250
Pre-Launch Inventories [Member]
Inventories [Line Items]
Raw materials and supplies	9,004	7,774
Work-in-process	1,031	346
Finished goods	1,257	631
Total inventories	$ 11,292	$ 8,751