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Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Discontinued Operations - Additional Cash Flow Information (Details) $ in Millions				12 Months Ended
	Mar. 08, 2021 USD ($)	Dec. 31, 2020 USD ($)	May 15, 2015 brand	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of ANDAs acquired \| brand			2
Discontinued Operations, Disposed of by Sale \| RX Pharmaceuticals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset acquisitions \| $	$ 53.3	$ 16.4		$ 69.7	$ 0.9	$ 49.1