Fair Value Of Assets And Liabilities (Narrative) (Details) (USD $) In Millions	Sep. 30, 2011	Jun. 30, 2011	Feb. 28, 2011
Fair Value Of Assets And Liabilities
Contingent consideration	$ 1.1	$ 10.9	$ 9.6

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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+ Details