Acquisitions (Schedule of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands		1 Months Ended
	Jun. 09, 2015	Sep. 30, 2013
Technology | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	7 years
Technology | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	15 years
Customer relationships | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	11 years
Customer relationships | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	17 years
RBI
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 56,392
RBI | Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	3,550
RBI | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	32,892
RBI | Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 1,300
Estimated Useful Life	5 years
RBI | Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 5,100
Estimated Useful Life	6 months
RBI | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 13,550
September 2013 Acquisition
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 2,170
September 2013 Acquisition | Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 260
Estimated Useful Life		15 years
September 2013 Acquisition | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 1,130
Estimated Useful Life		15 years
September 2013 Acquisition | Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 140
Estimated Useful Life		5 years
September 2013 Acquisition | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 640