Components of Net Deferred Taxes (Detail) - USD ($)
$ in Thousands |
Mar. 31, 2020 |
Mar. 31, 2019 |
| Deferred tax assets |
|
|
| Net operating loss and tax credit carryforwards |
$ 50,604
|
$ 62,835
|
| Stock-based compensation |
13,607
|
15,488
|
| Nondeductible reserves and accruals |
9,570
|
9,739
|
| Foreign net operating loss carryforwards |
6,778
|
7,360
|
| Deferred revenue |
4,404
|
3,677
|
| Depreciation and amortization |
114
|
485
|
| Other, net |
949
|
128
|
| Deferred Tax Assets, Gross, Total |
86,026
|
99,712
|
| Deferred tax liabilities |
|
|
| Goodwill |
(7,843)
|
(7,136)
|
| In-process research and development |
(4,564)
|
(4,593)
|
| Depreciation |
(9,211)
|
(2,175)
|
| Basis differences on other investments |
(6,124)
|
(7,146)
|
| Domestic deferred tax liability on foreign net operating loss carryforwards |
(584)
|
(680)
|
| Deferred Tax Liabilities, Net |
(28,326)
|
(21,730)
|
| Net deferred tax assets |
57,700
|
77,982
|
| Valuation allowance |
(15,170)
|
(1,302)
|
| Net deferred tax assets |
42,530
|
76,680
|
| Long-term deferred tax assets, net |
43,336
|
77,502
|
| Long-term deferred tax liabilities |
(806)
|
(822)
|
| Net deferred tax assets |
$ 42,530
|
$ 76,680
|