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v3.20.2

MULTIEMPLOYER PENSION PLANS (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) employee | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
MULTIEMPLOYER PENSION PLANS |  |  |
Number of employees covered | employee | 100 |  |
Contribution to multiemployer plans | $ | $ 1.5 | $ 1.1 | $ 1.5

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

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- Definition Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan. + References No definition available. + Details
Name: | vrt_MultiemployerPlanEmployerContributionCost
Namespace Prefix: | vrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Number of entity's employees covered by multiemployer plan. + References No definition available. + Details
Name: | vrt_MultiemployerPlanNumberOfEmployeesCovered
Namespace Prefix: | vrt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration