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GOODWILL (Details Narrative) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Goodwill and Intangible Assets Disclosure [Abstract] |  |
Carrying amount of goodwill in foreign countries | $ 81,400 | $ 55,800

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- Definition Goodwill, Carrying Amount in Foreign Countries + References No definition available. + Details
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Namespace Prefix: | rol_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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