XML 47 R35.htm IDEA: XBRL DOCUMENT
v3.21.1

Chapter 11 Proceedings and Ability to Continue as a Going Concern - Schedule of Reorganization Items (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Reorganizations [Abstract] |  |
Debtor Reorganization Items, Net Gain (Loss) on Rejection of Leases and Other Executory Contracts | $ 0.5 |
Reorganization items (non-cash) | 0.5 |
Professional fees | 47.8 |
Debtor Reorganization Items, Provision for Expected Allowed Claims | 3.9 |
Reorganization items (fees) | 51.7 |
Total reorganization items, net | 52.2 | $ 0.0
Reorganization items (fees) unpaid | 35.8 |
Reorganization items (fees) paid | $ 15.9 |

X
- Definition Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=116635682&loc=d3e55730-112764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 + Details
Name: | us-gaap_DebtorReorganizationItemsLegalAndAdvisoryProfessionalFees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain (loss) on rejection of leases and other executory contracts, reported as a reorganization item. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=116635682&loc=d3e55730-112764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 + Details
Name: | us-gaap_DebtorReorganizationItemsNetGainLossOnRejectionOfLeasesAndOtherExecutoryContracts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense for claims expected to be incurred by an entity in reorganization. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=116635682&loc=d3e55730-112764 + Details
Name: | us-gaap_DebtorReorganizationItemsProvisionForExpectedAllowedClaims
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total amount of reorganization items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=116635682&loc=d3e55730-112764 + Details
Name: | us-gaap_ReorganizationItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Debtor Reorganization Items, Items (Fees), Paid + References No definition available. + Details
Name: | val_DebtorReorganizationItemsItemsFeesPaid
Namespace Prefix: | val_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debtor Reorganization Items, Items (Fees), Unpaid + References No definition available. + Details
Name: | val_DebtorReorganizationItemsItemsFeesUnpaid
Namespace Prefix: | val_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debtor Reorganization Items, Non-cash + References No definition available. + Details
Name: | val_DebtorReorganizationItemsNonCash
Namespace Prefix: | val_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debtor Reorganization Items, Reorganization Items (Fees) + References No definition available. + Details
Name: | val_DebtorReorganizationItemsReorganizationItemsFees
Namespace Prefix: | val_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration