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Subsequent Events Subsequent Events	9 Months Ended
Subsequent Events Subsequent Events	Sep. 30, 2015
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Restructuring On October 21, 2015, we announced a corporate restructuring, which includes the termination of a number of pipeline programs and an 11% reduction in workforce. We expect to incur a charge related to these restructuring activities in the range of $85 million to $95 million. We anticipate making cash payments in the range of $115 million to $120 million, which includes amounts related to previously accrued incentive compensation. Substantially all of these amounts will be incurred and paid by the end of 2015.