Restructuring and Exit Costs (Schedule of Restructuring and Exit Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended	15 Months Ended	18 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Jun. 30, 2016	Sep. 30, 2016
Restructuring Reserve [Roll Forward]
Costs incurred	$ 0	$ 56	$ 297	$ 2,396
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	(26)		(453)				$ (1,500)
Accruals released			(154)
Other non-cash adjustments			(289)
Restructuring liability as of September 30, 2016	892		892		$ 1,337		892
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		$ (700)	(207)	$ (800)
Accruals released			(154)
Other non-cash adjustments			0
Restructuring liability as of September 30, 2016	0		0		294		0
2015 Consolidation of US Manufacturing Operations | Lease Obligation Costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2015			1,043
Costs incurred			86		1,200	1,300
Amounts paid			0
Accruals released			0
Other non-cash adjustments			(237)
Restructuring liability as of September 30, 2016	892		892		1,043		892
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			(246)
Accruals released			0
Other non-cash adjustments			(52)
Restructuring liability as of September 30, 2016	$ 0		$ 0		$ 0		$ 0