Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Sep. 30, 2023 |
Sep. 30, 2022 |
|---|---|---|
| Deferred tax assets/(liabilities): | ||
| Costs deductible in future periods | $ 37,036 | $ 36,604 |
| Deferred revenue | 8,712 | 7,273 |
| Stock compensation | 6,212 | 4,918 |
| Capital loss carryforward | 2,391 | 2,391 |
| Net operating loss carryforwards | 33,278 | 6,666 |
| Amortization of goodwill and intangibles | (189,316) | (198,903) |
| Capitalized software | (28,246) | (15,445) |
| Accounts receivable - unbilled | (7,963) | (12,087) |
| Property and equipment | (3,437) | (2,577) |
| Prepaid expenses | (10,906) | (11,522) |
| Financial instruments | (8,158) | (8,261) |
| Valuation allowance | (34,643) | (8,075) |
| Other | (6,399) | (2,111) |
| Net deferred tax liability | $ (201,439) | $ (201,129) |
| X | ||||||||||
- Definition Deferred Tax Liabilities, Financial Instruments No definition available.
|
| X | ||||||||||
- Definition The current portion of the amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis of unbilled receivables and the basis of unbilled receivables determined in accordance with generally accepted accounting principles. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- 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/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowances, of deferred tax asset attributable to deductible differences from reserves and accruals, compensation and benefit costs, and other provisions, reserves, and allowances. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- 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/disclosureRef
|
| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from capitalized software. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|