For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

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Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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Revenue - Revenue from Licensing Arrangements (Details) - Mylan - USD ($) $ in Millions	1 Months Ended
	Jun. 30, 2019	Mar. 31, 2020
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments		$ 1.5
Upfront payment receivable	$ 18.5
Sales milestones
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments		150.0
Development and Sales Milestones
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments		205.0
European Union Regulatory Issues [Member]
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments		10.0
YUPELRI Monotherapy
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments	9.0
YUPELRI Monotherapy \| Sales milestones
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments	37.5	160.0
YUPELRI Monotherapy \| Development and Sales Milestones
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments		160.0
Future potential combination products
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments	7.5	45.0
Future potential combination products \| Development and Sales Milestones
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments	$ 54.0
Future potential combination products \| European Union Regulatory Issues [Member]
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments		$ 45.0