Restructuring Charges (Schedule Of Accrued Restructuring) (Details) - 2015 [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 0
Restructuring charges	6,199
Cash Payment	(3,942)
Non-Cash Activity	(7)
Ending Balance	2,250
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	2,306
Cash Payment	(1,834)
Non-Cash Activity	0
Ending Balance	472
Lease Facility Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	2,334
Cash Payment	(1,009)
Non-Cash Activity	0
Ending Balance	1,325
Other Exit Costs
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Restructuring charges	1,559
Cash Payment	(1,099)
Non-Cash Activity	(7)
Ending Balance	$ 453