Acquisitions - Amounts of Assets and Liabilities at Fair Value as of Acquisition Date (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021	Apr. 02, 2021	Dec. 03, 2020
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill	$ 464,885	$ 469,356
Abeyatech LLC
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill			$ 4,400
Intangible assets			11,900
Other assets and liabilities, net			$ 3,000
Trans-Hit Biomarkers
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill				$ 9,300
Intangible assets				7,800
Long-term deferred tax liabilities				$ (2,400)