Restructuring and Other Charges Schedule of Restructuring and Other Charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Non cash charges and adjustments, net	$ 300		$ 500
Additions to restructuring cost	3,757	[1]	5,946	[1]	$ 2,234
Payments for Restructuring	(3,421)		(4,996)		(2,917)
Restructuring adjustment	(194)				(24)
Restructuring Reserve	1,408		1,266		316	$ 1,023
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Additions to restructuring cost	3,128	[1]	4,689	[1]	904
Payments for Restructuring	(2,941)		(4,992)		(1,387)
Restructuring adjustment	(194)				(22)
Restructuring Reserve	6		13		316	821
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Additions to restructuring cost	629	[1]	1,257	[1]	1,330
Payments for Restructuring	(480)		(4)		(1,530)
Restructuring adjustment	0				(2)
Restructuring Reserve	$ 1,402		$ 1,253		$ 0	$ 202

[1] Total restructuring and other charges recognized in the Company's consolidated statements of operations for the year ended December 31, 2016 and 2015 included non-cash charges and adjustments, net of $0.3 million and $0.5 million. These amounts have been excluded from the table above.