Goodwill - Schedule Of Carrying Amount of Goodwill by Segment (Detail) $ in Thousands	9 Months Ended
	Jun. 30, 2017 USD ($)
Goodwill [Line Items]
Balance as of September 30, 2016	$ 26,555
Currency translation adjustment	236
Balance as of June 30, 2017	26,791
In Vitro Diagnostics [Member]
Goodwill [Line Items]
Balance as of September 30, 2016	8,010
Balance as of June 30, 2017	8,010
Medical Device [Member]
Goodwill [Line Items]
Balance as of September 30, 2016	18,545
Currency translation adjustment	236
Balance as of June 30, 2017	$ 18,781