Acquisition (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 01, 2021	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Business Acquisition [Line Items]
Goodwill		$ 578,976	$ 578,079	$ 575,179
Akorn Operating Company LLC
Business Acquisition [Line Items]
Purchase price	$ 228,900
Supply commitment, term of agreement		3 years
Business combination, non-amortizable intangible assets, allocated amount	195,900
Business combination, amortizable intangible assets, allocated amount	$ 29,500
Intangible assets, useful lives	12 years 6 months
Goodwill	$ 1,648
Customer Relationships | Akorn Operating Company LLC
Business Acquisition [Line Items]
Business combination, non-amortizable intangible assets, allocated amount	20,400
Trademarks | Akorn Operating Company LLC
Business Acquisition [Line Items]
Business combination, non-amortizable intangible assets, allocated amount	$ 9,100
General and Administrative Expense | Akorn Operating Company LLC
Business Acquisition [Line Items]
Business acquisition, transaction costs		$ 5,100