Acquisitions - Amounts of Assets and Liabilities at Fair Value as of Acquisition Date (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Feb. 11, 2020	Sep. 30, 2019	Nov. 15, 2018
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill	$ 500,062		$ 488,602
GENEWIZ
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Accounts receivable				$ 28,566
Inventories				4,370
Prepaid expenses and other current assets				11,635
Property, plant and equipment				36,379
Goodwill				235,160
Intangible assets				189,129
Other assets				15,998
Current portion of long-term debt				(3,170)
Accounts payable				(6,522)
Deferred revenue				(67)
Accrued compensation and benefits				(5,145)
Other current liabilities				(10,073)
Long-term debt				(2,482)
Long term tax reserves				(13,400)
Long-term deferred tax liabilities				(34,993)
Other long-term liabilities				(2,681)
Total purchase price, net of cash acquired				$ 442,704
RURO, Inc.
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Accounts receivable		$ 1,220
Prepaid expenses and other current assets		29
Goodwill		11,116
Intangible assets		6,042
Other assets		230
Accounts payable		(15)
Deferred revenue		(1,320)
Accrued compensation and benefits		(344)
Other current liabilities		(91)
Long-term deferred tax liabilities		(1,091)
Long-term operating lease liabilities		(147)
Total purchase price, net of cash acquired		$ 15,629