Segment Information (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Segment Information [Abstract]
Number of business segments	2
Number of other generic drugs not detailed	35
Maximum percentage revenue of other products compared to generic products	3.00%
Payment on agreement termination		$ 2
Gain on sale of product rights	$ 0.1	$ 6.0