Leases - Summary of Operating and Finance Lease Costs Weighted Average Lease Terms and Discount Rates (Detail)	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Weighted average remaining lease term (in years):
Operating leases	7 years	7 years 4 months 24 days	7 years
Finance leases	4 years 4 months 24 days	5 years 3 months 18 days	6 years 3 months 18 days
Weighted average discount rate:
Operating leases	5.40%	5.40%	5.40%
Finance leases	5.40%	5.40%	5.40%