Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
Sep. 30, 2012
Business Acquisition [Line Items]  
Contingent consideration for future consideration $ 21,900,000
Commitments and Contingencies (Textual) [Abstract]  
Accrued expenses 8,000,000
Other long-term liabilities 13,900,000
Curna Acquisition [Member]
 
Business Acquisition [Line Items]  
Contingent consideration for future consideration $ 21,900,000