Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Dec. 31, 2020	Oct. 28, 2020
Subsequent event \| Marital Trust U/W/O Edwin H. Wegman \| BioSpecifics Technologies Corp.
Subsequent Event [Line Items]
Noncontrolling interest, shares owned by noncontrolling owners (in shares)		935,073
Subsequent event \| Marital Trust U/W/O Edwin H. Wegman \| BioSpecifics Technologies Corp. \| BioSpecifics Technologies Corp.
Subsequent Event [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners		12.70%
Subsequent event \| BioSpecifics Technologies Corp.
Subsequent Event [Line Items]
Shares, outstanding (in shares)		7,344,955
BioSpecifics Technologies Corp. \| Forecast
Subsequent Event [Line Items]
Price per share of BioSpecifics Technologies Corp acquired (in dollars per share)	$ 88.50
Payments to acquire businesses, net of cash acquired	$ 540
Cash acquired from acquisition	$ 120

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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