Acquisitions - Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Sep. 30, 2021	Apr. 02, 2021	Dec. 03, 2020
Business Combination, Goodwill [Abstract]
Goodwill	$ 467,746	$ 469,356
Life Sciences Products
Business Combination, Goodwill [Abstract]
Goodwill	108,495	110,138
Life Sciences Services
Business Combination, Goodwill [Abstract]
Goodwill	$ 359,251	$ 359,218
Abeyatech LLC
Business Combination, Goodwill [Abstract]
Goodwill			$ 4,400
Abeyatech LLC | Life Sciences Products
Business Combination, Goodwill [Abstract]
Goodwill deductible for tax purposes			$ 4,400
Trans-Hit Biomarkers
Business Combination, Goodwill [Abstract]
Goodwill				$ 9,300
Trans-Hit Biomarkers | Life Sciences Services
Business Combination, Goodwill [Abstract]
Goodwill deductible for tax purposes				$ 0