Acquisitions (Schedule of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands		1 Months Ended
	Jun. 09, 2015	Sep. 30, 2013
RBI
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 56
RBI | Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 4
RBI | Technology | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	7 years
RBI | Technology | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	15 years
RBI | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 33
RBI | Customer relationships | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	11 years
RBI | Customer relationships | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	17 years
RBI | Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 1
Estimated Useful Life	5 years
RBI | Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 5
Estimated Useful Life	6 months
RBI | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 14
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