XML 60 R48.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 4 Months Ended | 5 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Apr. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2022
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] |  |  |  |  |
Discrete Income Tax Expense (Benefit) | $ (1.4) | $ (39.2) | $ (2.2) | $ (44.8) | $ 6.9
Income Tax Expense (Benefit) Excluding Discrete Items | $ 12.4 | $ 14.1 | $ 14.0 | $ 23.6 | $ 40.2

X
- References No definition available. + Details
Name: | us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
Name: | us-gaap_IncomeTaxReconciliationOtherAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Income Tax Expense (Benefit) Excluding Discrete Items + References No definition available. + Details
Name: | val_IncomeTaxExpenseBenefitExcludingDiscreteItems
Namespace Prefix: | val_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration