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EQUIPMENT AND PROPERTY (Details Narrative) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Foreign Countries [Member] |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Fixed Assets held in Foreign Countries | $ 8,500 | $ 7,700

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- Definition Fixed Assets held in Foreign Countries + References No definition available. + Details
Name: | rol_FixedAssets
Namespace Prefix: | rol_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | srt_MortgageLoansOnRealEstateLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_StatementGeographicalAxis=rol_ForeignCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |