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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Sep. 30, 2018 | Sep. 30, 2017
--- | --- | ---
Deferred tax assets: |  |
Deferred revenue | $ 30,596 | $ 44,571
Employee compensation and benefits | 72,218 | 87,204
Intangible assets, computer software and intellectual property | 9,793 | 14,997
Tax credits, net capital and operating loss carryforwards | 184,450 | 155,478
Other | 49,732 | 78,114
Total deferred tax assets | 346,789 | 380,364
Valuation allowances | (112,727) | (94,573)
Total deferred tax assets, net | 234,062 | 285,791
Deferred tax liabilities: |  |
Anticipated withholdings on subsidiaries' earnings | (68,394) | (74,419)
Intangible assets, computer software and intellectual property | (114,094) | (136,238)
Other | (31,750) | (32,736)
Total deferred tax liabilities | (214,238) | (243,393)
Net deferred tax assets | $ 19,824 | $ 42,398

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