Business Segments (Revenue by Product) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Revenue from External Customer [Line Items]
Revenues	$ 154,513	$ 160,232	$ 161,855	$ 146,997	$ 133,996	$ 106,250	$ 105,544	$ 95,295	$ 623,597	$ 441,085	$ 336,510
OTC Healthcare
Revenue from External Customer [Line Items]
Revenues									536,931	345,001	234,585
OTC Healthcare | Analgesics
Revenue from External Customer [Line Items]
Revenues									108,144	18,930	3,063
OTC Healthcare | Cough & Cold
Revenue from External Customer [Line Items]
Revenues									126,974	116,669	75,013
OTC Healthcare | Gastrointestinal
Revenue from External Customer [Line Items]
Revenues									97,940	29,489	4,067
OTC Healthcare | Eye & Ear Care
Revenue from External Customer [Line Items]
Revenues									86,380	74,363	70,724
OTC Healthcare | Dermatologicals
Revenue from External Customer [Line Items]
Revenues									52,401	52,592	51,398
OTC Healthcare | Oral Care
Revenue from External Customer [Line Items]
Revenues									49,617	46,551	26,518
OTC Healthcare | Other OTC
Revenue from External Customer [Line Items]
Revenues									15,475	6,407	3,802
Household Cleaning
Revenue from External Customer [Line Items]
Revenues									$ 86,666	$ 96,084	$ 101,925