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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Impairment Of Intangible Asset Finite Lived Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag

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Impairment Of Intangible Asset Indefinite Lived Excluding Goodwill Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag

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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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Number of Suppliers Acquired

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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) $ in Thousands				12 Months Ended
	Jan. 08, 2024 USD ($) supplier	Feb. 28, 2023 USD ($)	Feb. 28, 2022 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning				$ 2,168,902
Indefinite-lived intangibles, ending					$ 2,168,902
Accumulated Amortization
Finite-lived intangibles, accumulated amortization, beginning				238,127	216,098
Finite-lived intangibles, accumulated amortization, additions				19,784	22,266
Finite-lived intangibles, accumulated amortization, effects of foreign currency exchange rates				(74)	(237)
Finite-lived intangibles, accumulated amortization, ending				257,837	238,127
Gross Carrying Amounts
Intangible assets, gross, beginning				2,580,020	2,912,733
Additions	$ 1,100			1,073
Tradename impairment			$ (700)		(321,412)
Effects of foreign currency exchange rates				(2,673)	(11,301)
Intangible assets, gross, ending				2,578,420	2,580,020
Indefinite-lived intangible assets					2,168,902
Finite-lived intangible assets				153,421	172,991
Intangible assets, net				2,320,583	$ 2,341,893
Impairment Of Intangible Asset Finite Lived Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag					Tradename impairment
Impairment Of Intangible Asset Indefinite Lived Excluding Goodwill Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag					Tradename impairment
Number of suppliers acquired \| supplier	1
North American OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning				2,092,852
Indefinite-lived intangibles, ending					$ 2,092,852
Gross Carrying Amounts
Indefinite-lived intangible assets					2,092,852
Finite-lived intangible assets					154,552
Intangible assets, net				2,228,785	2,247,404
International OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning				76,050
Indefinite-lived intangibles, ending					76,050
Gross Carrying Amounts
Indefinite-lived intangible assets					76,050
Finite-lived intangible assets					18,439
Intangible assets, net				91,798	94,489
Finite-Lived Tradenames and Customer Relationships
Gross Carrying Amounts
Finite-lived intangibles, gross, beginning				411,118	436,174
Finite-lived intangibles, additions				680
Finite-lived intangibles, tradename impairment		$ (22,700)			(22,748)
Finite-lived intangibles, effects of foreign currency exchange rates				(540)	(2,308)
Finite-lived intangibles, gross, ending				411,258	411,118
Accumulated Amortization
Finite-lived intangibles, accumulated amortization, beginning				238,127	216,098
Finite-lived intangibles, accumulated amortization, additions				19,784	22,266
Finite-lived intangibles, accumulated amortization, effects of foreign currency exchange rates				(74)	(237)
Finite-lived intangibles, accumulated amortization, ending				257,837	238,127
Gross Carrying Amounts
Finite-lived intangible assets				153,421
Finite-Lived Tradenames and Customer Relationships \| North American OTC Healthcare
Gross Carrying Amounts
Finite-lived intangible assets				135,932
Finite-Lived Tradenames and Customer Relationships \| International OTC Healthcare
Gross Carrying Amounts
Finite-lived intangible assets				17,489
Indefinite- Lived Tradenames
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning				2,168,902	2,476,559
Indefinite lived intangibles, additions				393
Impairment of indefinite-lived assets		$ (298,700)			(298,664)
Indefinite-lived intangibles, effects of foreign currency exchange rates				(2,133)	(8,993)
Indefinite-lived intangibles, ending				2,167,162	2,168,902
Gross Carrying Amounts
Indefinite-lived intangible assets				2,167,162	$ 2,168,902
Indefinite- Lived Tradenames \| North American OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, ending				2,092,853
Gross Carrying Amounts
Indefinite-lived intangible assets				2,092,853
Indefinite- Lived Tradenames \| International OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, ending				74,309
Gross Carrying Amounts
Indefinite-lived intangible assets				$ 74,309