Restructuring (Restructuring Reserve) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Balance	$ 7,894
Expenses, Net	(713)
Cash	(5,644)
Noncash	(6)
Balance	1,531
Employee Severance [Member] | European Workforce Reduction [Member]
Restructuring Reserve [Roll Forward]
Balance	7,694
Expenses, Net	(713)
Cash	(5,514)
Noncash	(6)
Balance	1,461
European Leases and Equipment Write-Off [Member]
Restructuring Reserve [Roll Forward]
Balance	200
Expenses, Net	0
Cash	(130)
Noncash	0
Balance	$ 70