The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Acquisitions - Results of Operations (Details) - USD ($) $ in Millions	3 Months Ended		5 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Business Acquisition, Pro Forma Information [Abstract]
Amortization of intangible assets					$ 20.9	$ 17.2
GENEWIZ
Business Acquisition, Pro Forma Information [Abstract]
Actual revenues	$ 41.0	$ 32.8	$ 49.3		81.0
Actual net income (loss)	0.2	0.3	$ 0.5		1.0
Amortization of intangible assets	5.1	3.2			10.1	$ 4.8
GENEWIZ \| Selling, General and Administrative Expenses
Business Acquisition, Pro Forma Information [Abstract]
Acquisition related costs		$ 0.1		$ 6.4
GENEWIZ \| Maximum \| Selling, General and Administrative Expenses
Business Acquisition, Pro Forma Information [Abstract]
Acquisition related costs	0.1				$ 0.1
RURO, Inc.
Business Acquisition, Pro Forma Information [Abstract]
Actual revenues	0.4
Actual net income (loss)	0.2
RURO, Inc. \| Selling, General and Administrative Expenses
Business Acquisition, Pro Forma Information [Abstract]
Acquisition related costs	0.2
RURO, Inc. \| Maximum
Business Acquisition, Pro Forma Information [Abstract]
Amortization of intangible assets	$ 0.1