Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands |
Apr. 30, 2017 |
Apr. 30, 2016 |
|---|---|---|
| Income Taxes [Line Items] | ||
| Deferred compensation | $ 92,043 | $ 91,712 |
| Loss and credit carryforwards | 32,854 | 31,023 |
| Reserves and accruals | 14,095 | 14,189 |
| Deferred rent | 9,797 | 7,684 |
| Deferred revenue | 2,434 | 11,464 |
| Allowance for doubtful accounts | 1,705 | 1,431 |
| Other | 3,041 | 5,002 |
| Gross deferred tax assets | 155,969 | 162,505 |
| Intangibles | (90,214) | (94,284) |
| Property and equipment | (11,507) | (10,603) |
| Prepaid expenses | (17,324) | (12,698) |
| Other | (2,485) | (815) |
| Gross deferred tax liabilities | (121,530) | (118,400) |
| Valuation allowances | (21,278) | (22,030) |
| Net deferred tax asset | $ 13,161 | $ 22,075 |
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- Definition Income Taxes [Line Items] No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible loss carryforwards, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred rent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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