Business Segments (Revenue by Geographic Area) (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Total segment revenues	$ 1,088,705	$ 1,137,762	$ 1,125,357
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total segment revenues	850,414	897,540	886,470
Rest of world
Revenues from External Customers and Long-Lived Assets [Line Items]
Total segment revenues	$ 238,291	$ 240,222	$ 238,887

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details