Business Segments (Revenue by Product) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Revenue from External Customer [Line Items]
Revenues	$ 192,132	$ 145,702
Analgesics
Revenue from External Customer [Line Items]
Revenues	27,378	25,696
Cough & Cold
Revenue from External Customer [Line Items]
Revenues	24,265	24,841
Women's Health
Revenue from External Customer [Line Items]
Revenues	33,608	886
Gastrointestinal
Revenue from External Customer [Line Items]
Revenues	24,128	23,135
Eye & Ear Care
Revenue from External Customer [Line Items]
Revenues	28,262	25,367
Dermatologicals
Revenue from External Customer [Line Items]
Revenues	20,629	12,802
Oral Care
Revenue from External Customer [Line Items]
Revenues	10,171	10,249
Other OTC
Revenue from External Customer [Line Items]
Revenues	1,419	1,184
Household Cleaning
Revenue from External Customer [Line Items]
Revenues	22,272	21,542
North American OTC Healthcare
Revenue from External Customer [Line Items]
Revenues	155,651	110,433
North American OTC Healthcare | Analgesics
Revenue from External Customer [Line Items]
Revenues	26,848	25,031
North American OTC Healthcare | Cough & Cold
Revenue from External Customer [Line Items]
Revenues	19,759	20,043
North American OTC Healthcare | Women's Health
Revenue from External Customer [Line Items]
Revenues	32,908	368
North American OTC Healthcare | Gastrointestinal
Revenue from External Customer [Line Items]
Revenues	20,320	20,638
North American OTC Healthcare | Eye & Ear Care
Revenue from External Customer [Line Items]
Revenues	24,332	20,725
North American OTC Healthcare | Dermatologicals
Revenue from External Customer [Line Items]
Revenues	20,095	12,260
North American OTC Healthcare | Oral Care
Revenue from External Customer [Line Items]
Revenues	9,977	10,187
North American OTC Healthcare | Other OTC
Revenue from External Customer [Line Items]
Revenues	1,412	1,181
International OTC Healthcare
Revenue from External Customer [Line Items]
Revenues	14,209	13,727
International OTC Healthcare | Analgesics
Revenue from External Customer [Line Items]
Revenues	530	665
International OTC Healthcare | Cough & Cold
Revenue from External Customer [Line Items]
Revenues	4,506	4,798
International OTC Healthcare | Women's Health
Revenue from External Customer [Line Items]
Revenues	700	518
International OTC Healthcare | Gastrointestinal
Revenue from External Customer [Line Items]
Revenues	3,808	2,497
International OTC Healthcare | Eye & Ear Care
Revenue from External Customer [Line Items]
Revenues	3,930	4,642
International OTC Healthcare | Dermatologicals
Revenue from External Customer [Line Items]
Revenues	534	542
International OTC Healthcare | Oral Care
Revenue from External Customer [Line Items]
Revenues	194	62
International OTC Healthcare | Other OTC
Revenue from External Customer [Line Items]
Revenues	7	3
Household Cleaning
Revenue from External Customer [Line Items]
Revenues	22,272	21,542
Household Cleaning | Analgesics
Revenue from External Customer [Line Items]
Revenues	0	0
Household Cleaning | Cough & Cold
Revenue from External Customer [Line Items]
Revenues	0	0
Household Cleaning | Women's Health
Revenue from External Customer [Line Items]
Revenues	0	0
Household Cleaning | Gastrointestinal
Revenue from External Customer [Line Items]
Revenues	0	0
Household Cleaning | Eye & Ear Care
Revenue from External Customer [Line Items]
Revenues	0	0
Household Cleaning | Dermatologicals
Revenue from External Customer [Line Items]
Revenues	0	0
Household Cleaning | Oral Care
Revenue from External Customer [Line Items]
Revenues	0	0
Household Cleaning | Other OTC
Revenue from External Customer [Line Items]
Revenues	0	0
Household Cleaning | Household Cleaning
Revenue from External Customer [Line Items]
Revenues	$ 22,272	$ 21,542