Business Segments - Schedule of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	$ 336,307	$ 274,114	$ 602,017	$ 523,644
Cough, Cold & Allergy
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	36,322	27,285	57,627	46,292
Dermatologicals
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	43,858	35,696	77,053	65,805
Eye & Ear Care
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	34,613	34,177	67,591	66,485
Gastrointestinal
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	63,114	64,200	125,316	121,984
Oral Care
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	26,600	24,767	48,958	46,469
Pain Relief
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	30,890	28,733	57,692	57,665
Wellness, Sleep & Other
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	47,321	6,404	61,648	11,512
Women's Health
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	53,589	52,852	106,132	107,432
North American OTC Healthcare
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	271,812	230,756	498,018	443,334
North American OTC Healthcare \| Cough, Cold & Allergy
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	27,221	20,472	42,849	33,825
North American OTC Healthcare \| Dermatologicals
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	34,274	32,792	64,889	60,644
North American OTC Healthcare \| Eye & Ear Care
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	29,165	29,387	57,504	57,168
North American OTC Healthcare \| Gastrointestinal
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	43,958	46,413	91,099	90,109
North American OTC Healthcare \| Oral Care
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	22,869	21,039	41,327	39,193
North American OTC Healthcare \| Pain Relief
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	29,223	27,232	55,448	54,490
North American OTC Healthcare \| Wellness, Sleep & Other
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	37,201	6,127	49,760	10,853
North American OTC Healthcare \| Women's Health
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	47,901	47,294	95,142	97,052
International OTC Healthcare
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	64,495	43,358	103,999	80,310
International OTC Healthcare \| Cough, Cold & Allergy
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	9,101	6,813	14,778	12,467
International OTC Healthcare \| Dermatologicals
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	9,584	2,904	12,164	5,161
International OTC Healthcare \| Eye & Ear Care
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	5,448	4,790	10,087	9,317
International OTC Healthcare \| Gastrointestinal
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	19,156	17,787	34,217	31,875
International OTC Healthcare \| Oral Care
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	3,731	3,728	7,631	7,276
International OTC Healthcare \| Pain Relief
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	1,667	1,501	2,244	3,175
International OTC Healthcare \| Wellness, Sleep & Other
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	10,120	277	11,888	659
International OTC Healthcare \| Women's Health
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Total revenues	$ 5,688	$ 5,558	$ 10,990	$ 10,380