Restructuring Charges (Schedule Of Accrued Restructuring) (Details) - 2015 [Member] $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 0
Restructuring charges	5,164
Cash payment	(3,106)
Non-cash activity	(3)
Ending Balance	2,055
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	1,633
Cash payment	(1,633)
Non-cash activity	0
Ending Balance	0
Lease Facility Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	2,253
Cash payment	(530)
Non-cash activity	0
Ending Balance	1,723
Other Exit Costs
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	1,278
Cash payment	(943)
Non-cash activity	(3)
Ending Balance	$ 332