Goodwill (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2015 USD ($)
Goodwill [Roll Forward]
Balance — March 31, 2015	$ 290,651
Adjustments	305
Effects of foreign currency exchange rates	(89)
Balance — June 30, 2015	290,867
Insight Pharmaceuticals
Goodwill [Roll Forward]
Adjustments	300
North American OTC Healthcare
Goodwill [Roll Forward]
Balance — March 31, 2015	263,411
Adjustments	305
Effects of foreign currency exchange rates	0
Balance — June 30, 2015	263,716
International OTC Healthcare
Goodwill [Roll Forward]
Balance — March 31, 2015	20,440
Adjustments	0
Effects of foreign currency exchange rates	(89)
Balance — June 30, 2015	20,351
Household Cleaning
Goodwill [Roll Forward]
Balance — March 31, 2015	6,800
Adjustments	0
Effects of foreign currency exchange rates	0
Balance — June 30, 2015	$ 6,800