Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting [Abstract]
Number of operating segments			4
Number of reportable segments			1
Revenues from External Customers
Net Sales	$ 219,084	$ 200,238	$ 403,063	$ 368,330
Americas
Revenues from External Customers
Net Sales	153,698	139,593	276,087	252,840
Europe, Middle East and Africa
Revenues from External Customers
Net Sales	41,273	39,838	84,336	79,029
Asia Pacific
Revenues from External Customers
Net Sales	$ 24,113	$ 20,807	$ 42,640	$ 36,461