Restructuring (Schedule of Beginning and End Liability Balance and Expense by Type) (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014
Restructuring Reserve [Roll Forward]
Costs charged to expense		$ 8,911	$ 557
Restructuring costs		9,433	$ 1,147
Severance Expense
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		0
Restructuring costs		4,451
Reclassification of deferred balances	[1]	0
Costs paid or otherwise settled		(4,174)
Restructuring reserve, ending balance		277
Lease Termination Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		0
Restructuring costs		4,669
Reclassification of deferred balances	[1]	5,260
Costs paid or otherwise settled		(3,666)
Restructuring reserve, ending balance		6,263
Other Expenses
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		0
Restructuring costs		313
Reclassification of deferred balances	[1]	0
Costs paid or otherwise settled		(231)
Restructuring reserve, ending balance		$ 82

[1] Deferred rent liabilities related to the early lease termination that were reclassified to present the outstanding liability related to the terminated leases.