Restructuring (Schedule of Beginning and End Liability Balance and Expense by Type) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Severance Expense
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 1,385
Restructuring costs	2,766
Costs paid or otherwise settled	(3,327)
Restructuring reserve, ending balance	824
Lease Termination Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	4,991
Restructuring costs	361
Costs paid or otherwise settled	(624)
Restructuring reserve, ending balance	4,728
Other Expenses
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0
Restructuring costs	148
Costs paid or otherwise settled	0
Restructuring reserve, ending balance	$ 148