Business Acquisitions - Schedule of Acquired Intangible Assets (Details) (Prolexic Technologies, Inc., USD $) In Thousands, unless otherwise specified	0 Months Ended
	Feb. 18, 2014
Business Acquisition [Line Items]
Gross Carrying Amount	$ 87,040
Completed technology
Business Acquisition [Line Items]
Gross Carrying Amount	26,800
Weighted Average Useful Life (in years)	6 years 10 months 24 days
Customer-related intangible assets
Business Acquisition [Line Items]
Gross Carrying Amount	58,500
Weighted Average Useful Life (in years)	10 years 4 months 18 days
Non-compete agreements
Business Acquisition [Line Items]
Gross Carrying Amount	940
Weighted Average Useful Life (in years)	3 years
Trademarks and trade names
Business Acquisition [Line Items]
Gross Carrying Amount	$ 800
Weighted Average Useful Life (in years)	4 years 10 months 24 days