Business Combinations - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Apr. 30, 2022	Jul. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Goodwill			$ 116,302	$ 114,668	$ 114,186
Net Cash	$ 3,750
Business acquisitions gross	4,250
Finite lived intangible assets amortization expense			9,912	8,776	$ 7,744
Increase in value of acquired inventories			100
BreathTek [Member]
Business acquisitions gross		$ 19,585
Consideration holdback		1,000
Business combination, recognized identifiable assets acquired and liabilities assumed, inventory		9,955
BreathTek [Member] | Customer Relationships [Member]
Business combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles		$ 9,630
Finite lived intangible assets useful life		5 years
Finite lived intangible assets amortization expense			1,919	$ 324
Euprotein [Member]
Goodwill	3,947		$ 3,947
Business combination, recognized identifiable assets acquired and liabilities assumed, inventory	10
Property, plant and equipment	279
Prepaid expense	$ 14