Name:	rol_DerivativeInstrumentsDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix:	rol_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The caption on the income statement reflecting the gain (loss) on derivative instruments designated as hedging instruments.

No definition available.

Name:	rol_DerivativeInstrumentsDesignatedAsHedgingInstrumentsLineItemOnIncomeStatementForGainLoss1
Namespace Prefix:	rol_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The caption on the income statement reflecting the gain (loss) on derivative instruments not designated as hedging instruments.

No definition available.

Name:	rol_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLineItemOnIncomeStatementForGainLoss1
Namespace Prefix:	rol_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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.

No definition available.

Name:	us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_SwapMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DerivativeInstrumentRiskAxis=rol_SellAUDBuyUSDFwdContractMember
Namespace Prefix:
Data Type:	na
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