Segment Reporting (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Segment Reporting [Abstract]
Number of operating segments			4
Number of reportable segments			1
Revenues from External Customers
Net Sales	$ 216,828	$ 215,404	$ 396,692	$ 401,144
Americas
Revenues from External Customers
Net Sales	163,857	161,429	297,410	295,432
Europe, Middle East and Africa
Revenues from External Customers
Net Sales	34,391	33,741	65,124	68,388
Asia Pacific
Revenues from External Customers
Net Sales	$ 18,580	$ 20,234	$ 34,158	$ 37,324