Segment Reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Segment Reporting [Abstract]
Number of operating segments			4
Number of reportable segments			1
Revenues from External Customers
Net Sales	$ 200,134	$ 204,802	$ 596,826	$ 605,946
Americas
Revenues from External Customers
Net Sales	152,294	148,947	449,704	444,379
Europe, Middle East and Africa
Revenues from External Customers
Net Sales	29,309	34,525	94,433	102,913
Asia Pacific
Revenues from External Customers
Net Sales	$ 18,531	$ 21,330	$ 52,689	$ 58,654