Summary of Significant Accounting Policies - Summary of Amortizable Lives of Intangible Assets (Details)	12 Months Ended
	Sep. 30, 2016
Minimum | Patents
Finite-Lived Intangible Assets [Line Items]
Amortizable lives	7 years
Minimum | Completed technology
Finite-Lived Intangible Assets [Line Items]
Amortizable lives	5 years
Minimum | Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortizable lives	5 years
Maximum | Patents
Finite-Lived Intangible Assets [Line Items]
Amortizable lives	15 years
Maximum | Completed technology
Finite-Lived Intangible Assets [Line Items]
Amortizable lives	10 years
Maximum | Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortizable lives	11 years