XML 170 R153.htm IDEA: XBRL DOCUMENT
v3.20.2

PENSION PLANS - Fair values of defined benefit plan assets (Details) - Non-U.S. Plans - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Debt securities |  |
Plan assets allocation |  |
Plan assets | $ 4.1 | $ 4.1
Plan assets, percentage | 28.00% | 30.00%
Debt securities | Level 2 |  |
Plan assets allocation |  |
Plan assets | $ 4.1 | $ 4.1
Insurance arrangements |  |
Plan assets allocation |  |
Plan assets | $ 7.8 | $ 6.8
Plan assets, percentage | 53.00% | 50.00%
Insurance arrangements | Level 3 |  |
Plan assets allocation |  |
Plan assets | $ 7.8 | $ 6.8
Other |  |
Plan assets allocation |  |
Plan assets | $ 2.9 | $ 2.8
Plan assets, percentage | 19.00% | 20.00%
Other | Level 1 |  |
Plan assets allocation |  |
Plan assets | $ 0.5 |
Other | Level 2 |  |
Plan assets allocation |  |
Plan assets |  | $ 0.6
Other | Level 3 |  |
Plan assets allocation |  |
Plan assets | 2.4 | 2.2
Total Percentage |  |
Plan assets allocation |  |
Plan assets | $ 14.8 | $ 13.7
Plan assets, percentage | 100.00% | 100.00%
Total Percentage | Level 1 |  |
Plan assets allocation |  |
Plan assets | $ 0.5 |
Total Percentage | Level 2 |  |
Plan assets allocation |  |
Plan assets | 4.1 | $ 4.7
Total Percentage | Level 3 |  |
Plan assets allocation |  |
Plan assets | $ 10.2 | $ 9.0

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

X
- Definition Amount of investment within defined benefit plan asset category. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of investment to total investment within defined benefit plan asset category. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=us-gaap_ForeignPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DefinedBenefitPlanDebtSecurityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=vrt_DefinedBenefitPlanInsuranceArrangementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=vrt_DefinedBenefitPlanOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=vrt_DefinedBenefitPlanWithTotalPercentageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |