Income Taxes - Components of Net Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 251,276	$ 187,900
Tax credit carryforwards	299,165	272,126
Operating lease liabilities	93,580	88,259
Deferred revenue	21,546	21,345
Other	99,074	82,222
Valuation allowance	(78,071)	(47,076)
Total deferred tax assets	686,570	604,776
Deferred tax liabilities:
Intangible assets	(119,299)	(71,335)
Property, equipment and satellites	(163,560)	(142,899)
Operating lease assets	(87,677)	(83,065)
Other	(28,261)	(34,208)
Total deferred tax liabilities	(398,797)	(331,507)
Net deferred tax assets	$ 287,773	$ 273,269