Business Combinations - Intangible Assets Acquired (Details) - BTI Systems, Inc [Member] $ in Millions	Apr. 01, 2016 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 43.3
Existing Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life (In Years)	8 years
Amount	$ 37.1
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life (In Years)	8 years
Amount	$ 5.3
Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life (In Years)	1 year
Amount	$ 0.6
Backlog [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life (In Years)	1 year
Amount	$ 0.3