Finite-lived Intangible Assets, Accumulated Amortization [Abstract]

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Finite-Lived Intangible Assets, Accumulated Amortization, Translation Adjustments Gain (Loss)

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- Definition

Finite-lived Intangible Assets, Accumulated Amortization, Written off Related to Sale of Business Unit

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Intangible Assets Acquired

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Intangible Assets [Roll Forward]

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Intangible Assets, Translation Adjustments Gain (Loss)

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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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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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No definition available.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Intangible Assets (Reconciliation of Activity) (Details) - USD ($) $ in Thousands				3 Months Ended	12 Months Ended
	Feb. 28, 2022	Dec. 15, 2021	Jul. 01, 2021	Sep. 30, 2021	Mar. 31, 2022	Mar. 31, 2021
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning					$ 2,281,988
Indefinite-lived intangibles, ending						$ 2,281,988
Accumulated Amortization
Finite-lived intangibles, accumulated amortization, beginning					195,606	175,741
Finite-lived intangibles, accumulated amortization, additions					21,499	19,580
Finite-lived intangible assets, accumulated amortization, tradename impairment					(983)
Finite-lived intangibles, accumulated amortization, effects of foreign currency exchange rates					(24)	285
Finite-lived intangibles, accumulated amortization, ending					216,098	195,606
Gross Carrying Amounts
Intangible assets, gross, beginning					2,671,335	2,655,132
Tradename impairment					(1,700)	(1,186)
Effects of foreign currency exchange rates					(444)	17,389
Intangible assets, gross, ending					2,912,733	2,671,335
Indefinite-lived intangible assets						2,281,988
Finite-lived intangible assets					220,076	193,741
Intangible assets, net					2,696,635	2,475,729
Additions					243,542
Akorn Operating Company LLC
Gross Carrying Amounts
Additions			$ 225,400
Zaditen
Gross Carrying Amounts
Additions		$ 18,100
North American OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning					2,195,617
Indefinite-lived intangibles, ending						2,195,617
Gross Carrying Amounts
Indefinite-lived intangible assets						2,195,617
Finite-lived intangible assets						190,462
Intangible assets, net					2,589,870	2,386,079
International OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning					86,371
Indefinite-lived intangibles, ending						86,371
Gross Carrying Amounts
Finite-lived intangibles, tradename impairment	$ 700			$ (1,200)
Gross Carrying Amounts
Indefinite-lived intangible assets						86,371
Finite-lived intangible assets						3,279
Intangible assets, net					106,765	89,650
Finite-Lived Tradenames and Customer Relationships
Gross Carrying Amounts
Finite-lived intangibles, gross, beginning					389,347	389,801
Finite-lived intangibles, additions					47,642
Finite-lived intangibles, tradename impairment					(1,700)	(1,186)
Finite-lived intangibles, effects of foreign currency exchange rates					885	732
Finite-lived intangibles, gross, ending					436,174	389,347
Accumulated Amortization
Finite-lived intangibles, accumulated amortization, beginning					195,606	175,741
Finite-lived intangibles, accumulated amortization, additions					21,499	19,580
Finite-lived intangible assets, accumulated amortization, tradename impairment					(983)
Finite-lived intangibles, accumulated amortization, effects of foreign currency exchange rates					(24)	285
Finite-lived intangibles, accumulated amortization, ending					216,098	195,606
Gross Carrying Amounts
Finite-lived intangible assets					220,076
Finite-Lived Tradenames and Customer Relationships \| North American OTC Healthcare
Gross Carrying Amounts
Finite-lived intangible assets					198,353
Finite-Lived Tradenames and Customer Relationships \| International OTC Healthcare
Gross Carrying Amounts
Finite-lived intangible assets					21,723
Indefinite- Lived Tradenames
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning					2,281,988	2,265,331
Indefinite lived intangibles, additions					195,900
Impairment of indefinite-lived assets					0	0
Indefinite-lived intangibles, effects of foreign currency exchange rates					(1,329)	16,657
Indefinite-lived intangibles, ending					2,476,559	2,281,988
Gross Carrying Amounts
Indefinite-lived intangible assets					2,476,559	$ 2,281,988
Indefinite- Lived Tradenames \| North American OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, ending					2,391,517
Gross Carrying Amounts
Indefinite-lived intangible assets					2,391,517
Indefinite- Lived Tradenames \| International OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, ending					85,042
Gross Carrying Amounts
Indefinite-lived intangible assets					$ 85,042