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Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

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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.

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No definition available.

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Business Segments (Assets by Segment) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	$ 575,179	$ 578,583	$ 620,098
Indefinite-lived intangible assets		2,273,191
Finite-lived intangible assets	214,060	234,019
Intangible assets, net (excluding goodwill)	2,479,391	2,507,210
Intangible assets, net (including goodwill)	3,054,570	3,085,793
North American OTC Healthcare
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	546,643	547,393	580,934
Indefinite-lived intangible assets		2,195,617
Finite-lived intangible assets		228,743
Intangible assets, net (excluding goodwill)	2,405,221	2,424,360
Intangible assets, net (including goodwill)	2,951,864	2,971,753
International OTC Healthcare
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	28,536	31,190	32,919
Indefinite-lived intangible assets		77,574
Finite-lived intangible assets		5,276
Intangible assets, net (excluding goodwill)	74,170	82,850
Intangible assets, net (including goodwill)	102,706	114,040
Finite-Lived Tradenames and Customer Relationships
Segment Reporting, Asset Reconciling Item [Line Items]
Finite-lived intangible assets	214,060
Finite-Lived Tradenames and Customer Relationships \| North American OTC Healthcare
Segment Reporting, Asset Reconciling Item [Line Items]
Finite-lived intangible assets	209,604
Finite-Lived Tradenames and Customer Relationships \| International OTC Healthcare
Segment Reporting, Asset Reconciling Item [Line Items]
Finite-lived intangible assets	4,456
Indefinite- Lived Tradenames
Segment Reporting, Asset Reconciling Item [Line Items]
Indefinite-lived intangible assets	2,265,331	$ 2,273,191	$ 2,490,303
Indefinite- Lived Tradenames \| North American OTC Healthcare
Segment Reporting, Asset Reconciling Item [Line Items]
Indefinite-lived intangible assets	2,195,617
Indefinite- Lived Tradenames \| International OTC Healthcare
Segment Reporting, Asset Reconciling Item [Line Items]
Indefinite-lived intangible assets	$ 69,714