Commitments And Contingencies (Details) $ in Thousands			1 Months Ended	3 Months Ended
	Jul. 13, 2016 USD ($)	Jul. 05, 2016 case	Mar. 31, 2013 case	Jul. 02, 2016 USD ($)
December 2012 Securities Litigation
Loss Contingencies [Line Items]
Number of cases consolidated | case			2
Litigation settlement amount				$ 39,250
Insurance recoveries amount				$ 39,250
Subsequent Event | December 2012 Securities Litigation
Loss Contingencies [Line Items]
Insurance recoveries amount	$ 39,250
Subsequent Event | Abbott Merger Lawsuits
Loss Contingencies [Line Items]
Number of cases consolidated | case		2