Acquisition - Intangibles Business Combination (Details) - Dynaloy, LLC $ in Millions	12 Months Ended
	Sep. 30, 2017 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Amount of Finite-lived Intangible Assets Acquired	$ 3.7
Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Amount of Finite-lived Intangible Assets Acquired	$ 2.8
Weighted Average Amortization Period	7 years
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Amount of Finite-lived Intangible Assets Acquired	$ 0.9
Weighted Average Amortization Period	5 years