Restructuring and Exit Costs (Schedule of Restructuring and Exit Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended	15 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015	Jun. 30, 2016
Restructuring Reserve [Roll Forward]
Costs incurred	$ 109	$ 2,340	$ 297	$ 2,340
2015 Consolidation of US Manufacturing Operations
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2015			1,337
Costs incurred			451			$ 2,800
Amounts paid	(200)		(427)			(1,400)
Accruals released			(154)
Other non-cash adjustments			(214)
Restructuring liability as of June 30, 2016	993		993		$ 1,337	993
2015 Consolidation of US Manufacturing Operations | Employee Severance Costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2015			294
Costs incurred			67			1,200
Amounts paid		$ (100)	(194)	$ (100)
Accruals released			(154)
Other non-cash adjustments			0
Restructuring liability as of June 30, 2016	13		13		294	13
2015 Consolidation of US Manufacturing Operations | Lease Obligation Costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2015			1,043
Costs incurred	100		86		1,200	1,300
Amounts paid			0
Accruals released			0
Other non-cash adjustments			(162)
Restructuring liability as of June 30, 2016	967		967		1,043	967
2015 Consolidation of US Manufacturing Operations | Other Exit Costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2015			0
Costs incurred			298			300
Amounts paid			(233)
Accruals released			0
Other non-cash adjustments			(52)
Restructuring liability as of June 30, 2016	$ 13		$ 13		$ 0	$ 13