Goodwill and Intangible Assets - Goodwill Roll Forward - Tabular Disclosure (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 513,623
Acquisitions	229,260
Currency translation adjustments	50,740
Goodwill, ending balance	793,623
Life Sciences Products
Goodwill [Roll Forward]
Goodwill, beginning balance	154,612
Acquisitions	229,260
Currency translation adjustments	50,655
Goodwill, ending balance	434,527
Life Sciences Services
Goodwill [Roll Forward]
Goodwill, beginning balance	359,011
Currency translation adjustments	85
Goodwill, ending balance	$ 359,096