Income Taxes - Components of Net Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Deferred tax assets:
Net operating loss carryforwards	$ 71,838	$ 251,276
Tax credit carryforwards	115,418	299,165
Capitalized research and development costs	75,152
Operating lease liabilities	78,562	93,580
Deferred revenue	24,123	21,546
Other	107,368	99,074
Valuation allowance	(150,047)	(78,071)
Total deferred tax assets	322,414	686,570
Deferred tax liabilities:
Intangible assets	(99,629)	(119,299)
Property, equipment and satellites	(187,896)	(163,560)
Operating lease assets	(68,150)	(87,677)
Other	(29,004)	(28,261)
Total deferred tax liabilities	(384,679)	(398,797)
Net deferred tax liabilities	$ (62,265)
Net deferred tax assets (liabilities)		$ 287,773