Business Segments (Assets by Segment) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	$ 192,632	$ 190,911
Indefinite-lived intangibles	1,349,439
Finite-lived intangibles	118,733
Intangible assets, net (excluding goodwill)	1,468,172	1,394,817
Intangible assets, net (including goodwill)	1,660,804
North American OTC Healthcare
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	160,157	160,157
Indefinite-lived intangibles	1,123,898
Finite-lived intangibles	91,407
Intangible assets, net (excluding goodwill)	1,215,305
Intangible assets, net (including goodwill)	1,375,462
International OTC Healthcare
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	25,086	23,365
Indefinite-lived intangibles	105,721
Finite-lived intangibles	1,596
Intangible assets, net (excluding goodwill)	107,317
Intangible assets, net (including goodwill)	132,403
Household Cleaning
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	7,389	7,389
Indefinite-lived intangibles	119,820
Finite-lived intangibles	25,730
Intangible assets, net (excluding goodwill)	145,550
Intangible assets, net (including goodwill)	$ 152,939

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

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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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