Summary of Significant Accounting Policies and Select Balance Sheet Information - Schedule Of Carrying Amount of Goodwill by Segment (Detail) $ in Thousands	12 Months Ended
	Sep. 30, 2016 USD ($)
Goodwill [Line Items]
Balance as of September 30, 2015	$ 8,010
Additions (See Note 3)	17,892
Foreign currency translation adjustment	653
Balance as of September 30, 2016	26,555
In Vitro Diagnostics [Member]
Goodwill [Line Items]
Balance as of September 30, 2015	8,010
Balance as of September 30, 2016	8,010
Medical Device [Member]
Goodwill [Line Items]
Additions (See Note 3)	17,892
Foreign currency translation adjustment	653
Balance as of September 30, 2016	$ 18,545