Accounts Receivable (Details Textuals) (USD $) In Millions	9 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
Accounts Receivable (Textuals) [Abstract]
Payment terms of accounts receivable arising from product sales	Between 30 and 90 days
Accounts receivable outstanding for greater than one year	$ 65.0	$ 45.0
Italy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable In Countries With Deteriorated Credit And Economic Conditions	40.2	118.0
Biogen Dompe SRL [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables purchased as part of acquisition	104.6
Loss recognized upon disposition	$ 1.8