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Workforce Reductions (Narrative)(Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2012
Workforce Reduction and Advisory Costs    
One-time termination benefits $ 0.4 $ 4.0
Payments for termination benefits 0.4 3.3
Structuring advisory costs $ 1.1 $ 7.1