Contingencies (Florida Bond Statute) (Details) - Engle Progeny Cases, State [Member]	1 Months Ended
	Apr. 30, 2016 case	Jun. 30, 2009 USD ($) case
Loss Contingencies [Line Items]
Number of cases in which seeking confirmation	2
Florida [Member]
Loss Contingencies [Line Items]
Maximum bond for all defendants | $		$ 200,000,000
Alachua County, Florida [Member]
Loss Contingencies [Line Items]
Number of cases in which plaintiffs that challenged constitutionality of bond cap statute		3
Escambia County, Florida [Member]
Loss Contingencies [Line Items]
Number of cases in which plaintiffs that challenged constitutionality of bond cap statute		1