Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Legal Proceedings (Details)

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Commitments and Contingencies - Legal Proceedings (Details) (Pending Litigation [Member], USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2012
May 31, 2012
Pending Litigation [Member]
   
Loss Contingencies [Line Items]    
Reprocurement costs sought by customer $ 6.8  
Related claims outstanding with customer   $ 3.9