Goodwill and Intangible Assets - Goodwill Roll Forward (Details) $ in Thousands	6 Months Ended
	Mar. 31, 2022 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 469,356
Goodwill, ending balance	467,746
Life Sciences Products
Goodwill [Roll Forward]
Goodwill, beginning balance	110,138
Currency translation adjustments	(1,643)
Goodwill, ending balance	108,495
Life Sciences Services
Goodwill [Roll Forward]
Goodwill, beginning balance	359,218
Currency translation adjustments	33
Goodwill, ending balance	359,251
Other
Goodwill [Roll Forward]
Goodwill, beginning balance	469,356
Currency translation adjustments	(1,610)
Goodwill, ending balance	$ 467,746