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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- Definition

Finite-Lived Intangible Assets, Reclassifications

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

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No definition available.

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- Definition

Indefinite-Lived Intangible Assets, Reclassifications

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- Definition

Intangible Assets Acquired

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- Definition

Intangible Assets, Reclassification Increase (Decrease)

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- Definition

Intangible Assets [Roll Forward]

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No definition available.

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- Definition

Intangible Assets, Translation Adjustments Gain (Loss)

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No definition available.

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Intangible Assets, Written off Related to Sale of Business Unit, Gross

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No definition available.

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- Definition

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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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

No definition available.

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- Definition

Amount before 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
-Publisher FASB
-Name Accounting Standards Codification
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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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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

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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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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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No definition available.

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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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No definition available.

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Amount of divestiture of an asset lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill.

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No definition available.

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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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No definition available.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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No definition available.

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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 ($)	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning	$ 2,273,191,000
Indefinite-lived intangibles, tradename impairment	0
Indefinite-lived intangibles, ending		$ 2,273,191,000
Accumulated Amortization
Finite-lived intangibles, accumulated amortization, beginning	156,264,000	150,701,000
Finite-lived intangibles, accumulated amortization, additions	19,633,000	21,767,000
Finite-lived intangible assets, accumulated amortization, reductions		(16,136,000)
Finite-lived intangibles, accumulated amortization, effects of foreign currency exchange rates	(156,000)	(68,000)
Finite-lived intangibles, accumulated amortization, ending	175,741,000	156,264,000
Gross Carrying Amounts
Intangible assets, gross, beginning	2,663,474,000	2,931,617,000
Additions (a)	2,760,000
Reclassifications		0
Reductions		(65,451,000)
Tradename impairment		195,920,000
Effects of foreign currency exchange rates	(11,102,000)	(6,772,000)
Intangible assets, gross, ending	2,655,132,000	2,663,474,000
Indefinite-lived intangible assets	2,273,191,000	2,273,191,000		$ 2,273,191,000
Finite-lived intangible assets			$ 214,060,000	234,019,000
Intangible assets, net (excluding goodwill)			2,479,391,000	2,507,210,000
North American OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning	2,195,617,000
Indefinite-lived intangibles, ending		2,195,617,000
Gross Carrying Amounts
Indefinite-lived intangible assets	2,195,617,000	2,195,617,000		2,195,617,000
Finite-lived intangible assets				228,743,000
Intangible assets, net (excluding goodwill)			2,405,221,000	2,424,360,000
International OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning	77,574,000
Indefinite-lived intangibles, ending		77,574,000
Gross Carrying Amounts
Indefinite-lived intangible assets	77,574,000	77,574,000		77,574,000
Finite-lived intangible assets				5,276,000
Intangible assets, net (excluding goodwill)			74,170,000	82,850,000
Finite-Lived Tradenames and Customer Relationships
Indefinite- Lived Tradenames
Indefinite-lived intangibles, reductions		(155,000,000.0)
Gross Carrying Amounts
Finite-lived intangibles, gross, beginning	390,283,000	441,314,000
Finite-lived intangibles, additions	0
Finite-lived intangibles, reclassifications		25,152,000
Finite-lived intangibles, reductions		(34,889,000)
Finite-lived intangibles, tradename impairment		(40,953,000)
Finite-lived intangibles, effects of foreign currency exchange rates	(482,000)	(341,000)
Finite-lived intangibles, gross, ending	389,801,000	390,283,000
Accumulated Amortization
Finite-lived intangibles, accumulated amortization, beginning	156,264,000	150,701,000
Finite-lived intangibles, accumulated amortization, additions	19,633,000	21,767,000
Finite-lived intangible assets, accumulated amortization, reductions		(16,136,000)
Finite-lived intangibles, accumulated amortization, effects of foreign currency exchange rates	(156,000)	(68,000)
Finite-lived intangibles, accumulated amortization, ending	175,741,000	156,264,000
Gross Carrying Amounts
Finite-lived intangible assets			214,060,000
Finite-Lived Tradenames and Customer Relationships \| North American OTC Healthcare
Gross Carrying Amounts
Finite-lived intangible assets			209,604,000
Finite-Lived Tradenames and Customer Relationships \| International OTC Healthcare
Gross Carrying Amounts
Finite-lived intangible assets			4,456,000
Indefinite- Lived Tradenames
Indefinite- Lived Tradenames
Indefinite-lived intangibles, beginning	2,273,191,000	2,490,303,000
Indefinite lived intangibles, additions	2,760,000
Indefinite lived intangibles, reclassifications		(25,152,000)
Indefinite-lived intangibles, reductions		(30,562,000)
Indefinite-lived intangibles, tradename impairment		(154,967,000)
Indefinite-lived intangibles, effects of foreign currency exchange rates	(10,620,000)	(6,431,000)
Indefinite-lived intangibles, ending	2,265,331,000	2,273,191,000
Gross Carrying Amounts
Indefinite-lived intangible assets	2,265,331,000	$ 2,490,303,000	2,265,331,000	$ 2,273,191,000
Indefinite- Lived Tradenames \| North American OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, ending	2,195,617,000
Gross Carrying Amounts
Indefinite-lived intangible assets	2,195,617,000		2,195,617,000
Indefinite- Lived Tradenames \| International OTC Healthcare
Indefinite- Lived Tradenames
Indefinite-lived intangibles, ending	69,714,000
Gross Carrying Amounts
Indefinite-lived intangible assets	$ 69,714,000		$ 69,714,000