Business Segment Information - Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026
Segment Reporting [Line Items]
Assets	$ 10,736,100	$ 10,737,200
Continuing Operations
Segment Reporting [Line Items]
Assets	10,736,100	10,737,200
Healthcare Products and Life Sciences | Continuing Operations
Segment Reporting [Line Items]
Assets	7,141,900	7,146,800
Applied Sterilization Technologies | Continuing Operations
Segment Reporting [Line Items]
Assets	$ 3,594,200	$ 3,590,400