Restructuring (Restructuring Reserve) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	$ 7,894
Expenses, Net	(713)
Cash	(5,540)
Noncash	(6)
Restructuring Reserve, ending balance	1,635
Employee Severance [Member] | European Workforce Reduction [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	7,694
Expenses, Net	(713)
Cash	(5,410)
Noncash	(6)
Restructuring Reserve, ending balance	1,565
European Leases and Equipment Write-Off [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, beginning balance	200
Expenses, Net	0
Cash	(130)
Noncash	0
Restructuring Reserve, ending balance	$ 70