Contingencies (Medical Monitoring Class Actions Narrative) (Details) (Medical Monitoring Class Actions [Member], Medical Monitoring Class Actions [Member], USD $)	3 Months Ended
	Mar. 31, 2014
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	2
Donovan [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	$ 190,000,000