Income Taxes - Summary of Net Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|---|---|---|---|
| Deferred tax assets: | |||
| Net operating loss carryforwards | $ 29.2 | $ 29.2 | |
| Federal and state credit carryforwards | 14.3 | 16.4 | |
| Property, plant and equipment | 0.6 | 2.6 | |
| Deferred and other revenue differences | 4.0 | 0.0 | |
| Interest carryforwards | 11.2 | 4.9 | |
| Other reserves and accrued expenses | 15.0 | 9.0 | |
| Other assets | 3.7 | 4.7 | |
| Total deferred tax assets | 78.0 | 66.8 | |
| Less: valuation allowance | (29.1) | (29.0) | $ (18.7) |
| Net deferred tax assets | 48.9 | 37.8 | |
| Deferred tax liabilities: | |||
| Purchased technologies and other intangibles | (75.0) | (58.2) | |
| Deferred and other revenue differences | (8.1) | (0.8) | |
| Property, plant and equipment | (3.9) | (3.0) | |
| Other liabilities | (1.8) | (4.1) | |
| Total deferred tax liabilities | (88.8) | (66.1) | |
| Net deferred tax liabilities | $ (39.9) | $ (28.3) |
| X | ||||||||||
- Definition Deferred tax assets federal and state tax credit carryforwards. No definition available.
|
| X | ||||||||||
- Definition Deferred tax assets interest expenses carryforward. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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/disclosureRef
|
| X | ||||||||||
- 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/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and 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 operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from tax deferred revenue or income classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|