Basis of Presentation - Summary of Contract Assets and Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022
Accounting Policies [Abstract]
Unbilled accounts receivable	$ 95,799	$ 103,045
Collections in excess of revenues and deferred revenues	154,828	148,906
Deferred revenues, long-term portion	$ 85,216	$ 90,151