Restructuring Charges Restructuring Activities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Liability as of December 31, 2015	$ 3,400
2016 Expense	1,455
Deductions/Payments	(4,577)
Liability as of September 30, 2016	278
Other exit costs
Restructuring Reserve [Roll Forward]
Liability as of December 31, 2015	3,400
2016 Expense	254
Deductions/Payments	(3,402)
Liability as of September 30, 2016	252
Employee termination costs
Restructuring Reserve [Roll Forward]
Liability as of December 31, 2015	0
2016 Expense	1,201
Deductions/Payments	(1,175)
Liability as of September 30, 2016	$ 26