Leases - Summary of Operating and Finance Lease Costs Weighted Average Lease Terms and Discount Rates (Detail)	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Weighted average remaining lease term (in years):
Operating leases	8 years 6 months	7 years 3 months 18 days	6 years 3 months 18 days
Finance leases	13 years 6 months	2 years 4 months 24 days	3 years 4 months 24 days
Weighted average discount rate:
Operating leases	6.20%	6.20%	5.70%
Finance leases	10.50%	6.30%	6.30%